滞后

Airiness in the environment and a fire problem arose the attention early in the abroad, the research almost covers all the aspects. However, because of all kinds of factors, the related research on the problem lag behind in China.

国外对地铁环境中的通风及火灾问题关注的较早，着手进行研究的工作开展的也较为全面细致，但国内由于种种制约因素，在此相关问题上一直处于滞后状态。

A long time, China's bond market development lagged behind, lacking the GEM, the product is not rich, investors structure is irrational, restrictions on capital market size, level of development of varieties and the expansion of space, affecting the allocation of resources of capital markets function effectively.

长期以来，中国的债券市场发展滞后，缺乏创业板市场，产品不丰富，投资者结构不合理，资本市场规模，水平，品种的发展和空间扩展影响的资本资源的分配，限制市场有效运作。

However, there are several serious problems that exist in the real estate agency in Beijing. First, development is usually more favored than agency. Second, law and order are not complete, and therefore, no effective management or supervision can be applied due to lack of proper regulations. Other problems are also not to be neglected such as the excessively small agency size, low level of informational technology, the overall amateurishness of the professionals, poor quality of the service, and lack of support from the financial fields.

北京房地产中介行业目前存在着理念上轻中介重开发；政府相关法律法规不完善，法规明显滞后，难于依法管理、无监督机制、行业协会监管不力；经营规模过小：信息化程度低；从业人员总体素质低，整体服务质量不高；金融业对房地产中介市场支持力度不够等问题。

However, during the practice of carrying the new rural cooperative medical service system, first we must solve these issues, such as: the ambiguousness of the attribute, the fuzziness of target location, the high cost and much difficulty of propaganda, the weak sense of peasants' heath care and shared risk, the weak administrative capacity of medical institutions, the worrying of doctor-patient moral standards, the lag of legislation, the low service level of designated medical institutions, the lack of operability in fund raises system and the weak responsibility consciousness of the government.

尽管我们在理论上能够阐明实施新型农村合作医疗制度的意义、试点的目标和要求、资金筹集和监管机制、医疗管理能力建设要求、完善农村卫生服务体系目标，但是在实施新型农村合作医疗制度的实践中，我们却必须要首先解决诸如属性不明确、目标定位模糊、宣传推动成本高、难度大、农民健康保健及风险共担意识淡薄、医疗机构行政管理能力较弱、对医患双方道德水准的担忧、立法工作滞后、定点医疗机构服务水平较低、筹资机制缺乏可操作性、政府责任意识不强等因素的制约。

It is important that studying gamma ray spectrometry of field rocks and soil in the earth抯 crust. Their energy range are mainly 30-3000keV, they contain abundant information of natural radioactive nuclides, such as uranium, thorium, potassium, etc, and of artificial radioactive nuclides from nuclear engineering activity, such as cesium, americium, cobalt, etc, and of the results in interaction between gamma ray and earth抯 crust.

国外近年已经生产出大于256道的伽玛射线能谱仪，但由于仪器应用滞后于仪器研究，且仪器稳谱未完全解决，获取全谱信息困难，加之对低能谱段的认识不足等原因，致使野外应用仍然滞留在仅限于测定铀钍钾含量的伽玛能谱测量水平上。

Results There was no obvious discrimination of the seed morphology between AMM and AM.

结果通过肉眼和光学显微镜观察，两种黄芪种子的形态差异不明显，在电子显微镜下观察，两种黄芪种子的萌发孔形状、种脐和种皮的微观结构有明显差异；蒙古黄芪较膜荚黄芪种子硬实率高，萌发不整齐，萌发高峰滞后。

Synchronous and asynchronous chromosome separation was seen, and it was more common that the lagging chromosomes formed anaphase bridges.

有丝分裂过程中染色体的分离同步或不同步，不同步分离中的滞后染色体形成后期桥的现象更为普遍。

The research contents mainly include: First, the influence of foundation constraint condition to the temperature stress is analyzed, the temperature stress formula of ultra-long concrete anchor plate is deduced, then the influence of length to structure crack can be gotten from the formula. Second, a breathing method is set up to solve the problem of temperature stress in ultra-long concrete constructions. By setting the sliding floor, a breathing system is built up and the temperature stress reduced distinctly. Third, the effect of prestress technique in the control of temperature stress is analyzed, it is simulated and calculated through FEA to get the right way to apply the prestress. Forth, the delay of temperature field and unsteady conduction is considered, the temperature field of ultra-long concrete structure with later poured band is simulated, then temperature stress distribution after casting the concrete is calculated, finally the effect of later poured band to temperature stress of ultra-long structure is analyzed.

本文的研究内容主要包括：(1)分析了基础约束对超长混凝土结构温度应力的影响，推导了超长混凝土地基板温度应力公式，从而得出长度对结构裂缝的影响；(2)针对超长混凝土裂缝问题，提出了一种可呼吸的解决方法，通过设置滑动层，使结构成为一种"可呼吸"体系，从而有效的降低温度应力；(3)分析了预应力技术在控制超长结构温度应力中的作用，通过有限元模拟计算，得到合理的预应力施加方式；(4)考虑温度场的滞后效应及不稳定传导，对带后浇带超长混凝土结构浇注后的温度场仿真模拟，计算浇注后的温度应力分布，分析后浇带对超长结构温度应力的影响。

In view of the feature of ball end milling process, the model of accurate cutting area is presented which considers the advance angle of cutting in and the lag angle of cutting off.

针对球头铣刀的切削特点，给出了考虑切入提前角和切出滞后角的精确切削区间模型。

A rotor structure for a rotating wing aircraft having substantially rigid rotor head means and rotor blades or wing means arranged in at least one pair, comprising blade angle bearing means (10, 12, 14, 16) for each rotor blade means, tension bar means (6,8) operatively interconnecting the rotor blade means of a pair which blade means are arranged diametrically opposite each other, said tension bar means having a high bending resistance, whereby transmission of bending moments from the rotor blades to the rotor head means is substantially prevented, each of said blade angle bearing means comprising a structure angularly movable in the wing flap direction and in the wing lead-lag direction, at least one of said blade angle bearing means of a pair comprising means permitting an axial motion of the respective tension bar means supported in said blade angle bearing means, and wherein said blade angle bearing means (10, 12, 14, 16) operatively support said tension bar means (6, 8) on said rotor head means (4) for pitch angle rotation of said tension bar means relative to said rotor head means (4), said rotor structure further comprising means (24) securing said rotor blade means (18) to said tension bar means (6, 8) in a manner rigid against rotation of the blade means about the longitudinal blade axis whereby the securing means prevent flapping, drag and lagging movements of the tension bar means, said tension bar means being constructed as torsion bars which are elastic relative to torsion about said longitudinal blade axis.

1转子结构为旋转翼飞机，有大幅刚性转子头部的手段和转子叶片或机翼的手段安排中至少有一对，组成的叶片角度轴承手段（ 10 ， 12 ， 14 ， 16 ）为每个转子叶片的手段，拉杆手段（ 6，8 ）手术互连转子叶片的手段，其中一对刀片的手段都是安排截然相反的对方说，拉杆手段，有一个高弯曲阻力，即传输弯矩从转子叶片向转子头的意思是，大幅防患于未然，每个叶片角度说，轴承的手段组成的一个结构angularly动产在机翼上皮瓣的方向和在机翼导致滞后的方向，至少有一个叶片角度说，轴承是指一对组成的手段，允许轴向的议案，分别紧张酒吧手段，支持在叶片角度说，轴承的手段，其中，叶片角度说，轴承的手段（ 10 ， 12 ， 14 ， 16 ）手术的支持表示拉杆的手段（ 6 ， 8 ）就表示，转子头部的手段（ 4 ）为俯仰角轮换说拉杆手段相对说，转子头部的手段（ 4 ）表示，转子结构进一步组成的手段，（ 24 ）说，确保转子叶片的手段（ 18 ）表示，拉杆手段（ 6 ， 8 ）在一个僵化的方式对旋转的叶片即是说，约纵向叶片轴，即确保手段防止扑，拖曳和落后变动的紧张局势，酒吧的手段，说拉杆手段，正在建造的，作为扭杆这是弹性相对扭转约说，纵向叶片轴。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。