查询词典 margin

The Xiashu loess, as a facies at the southern margin of eolian and dusty accumulations in northern China, occupies an important position in the study of the global environmental change.

作为中国北方风尘堆积的南部边缘相，下蜀黄土在全球环境变化研究中占有重要的地位。

2The anterior cutereous branches of the obturator artery penetrate deepfascia of thigh and epimysium of the adductor muscles closing against the lower rami of pubisor at its outer margin.Pudendal-thigh skin flap pedicled on it may be elevated to repairrectovaginal fistula or small skin defects of perineum.As its piercing point is much higher andthe location of pedicle is more fixed because of restriction of pubic rami,it is not suited toreconstruct new vagina.Moreover,it is not appropriate naming the obturator aretry(or themedial femoral circumflex artery)the pudendal-thigh artery.

闭孔动脉前皮支紧邻耻骨下支或于其外侧缘，穿大腿深筋膜和内收肌肌膜浅出，以之为蒂可以形成皮下蒂阴股沟岛状皮瓣，用于阴道直肠瘘或会阴部较小皮肤缺损的修复，但由于闭孔动静脉前皮支浅出点位置较高，并且由于耻骨下支的阻挡和限制，致使血管蒂的位置较为固定，以之为蒂形成的阴股沟皮瓣不适宜用于阴道再造；另外，将闭孔动脉命名为阴股沟动脉，也有欠妥帖。

According to tool machine principal axis box the error margin of which spread to move a chain to compute all levels to turn soon actual value and theories value.

根据机床主轴箱的传动链来计算各级转速的实际值与理论值之间的误差。

Top center margin identifies "French fleet under Counts De Grasse and D'Estaing" in the distant harbor.

还有，画面的上端中央边缘处写着"Counts De Grasse and D'Estaing率领的法国军舰停泊在远处的港口"。

The physiological disease, leaf etiolation, can easily occur in young tea trees planted in brown soil with higher pH value (＞6.5) in Shandong province. All leaves of some trees turned yellow, some leaves of new shoots turned white to a certain extent or had some brown spots on the yellow leaf margin.

在山东pH偏高（＞6.5）的棕壤幼龄茶园中，茶树容易发生失绿黄化病症，严重影响了新建茶园的成园速度。

Remember that your standard export ex factory price will be increased by your customer's costs for transport, insurance, import duties, and a mark-up percentage for their cost of doing business and their profit margin.

信用证是有条件的银行担保，是银行应买方的要求和指示保证立即或将来某一时间内付给卖方一笔款项。

The delay stability margins of two test systems at typical equilibrium point are obtained through this method. The effect of exciter parameters on delay stability margin is also discussed. Time domain simulation results and comparison with other methods show that this method is simple and effective.

利用该方法得到了测试系统的时滞稳定裕度，并且研究了励磁系统参数的变化对系统时滞稳定裕度的影响，最后通过与其他方法的比较和时域仿真验证了该方法的有效性。

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

The mathematics teachers in high schools are not only the guarantee of the smooth implement of mathematics course standard but also an executant of the foundation course reform .But a big margin exists between the roles of the mathematics teachers in high schools of the course system and the expectation of the new course. So it is very necessary to relocate the role of the mathematics teachers in the new course.

而中学数学教师不仅是数学课程标准顺利实施的保障者，同时又是基础教育改革的实践者，但是现行课程体系下中学数学教师的角色形象与新课程的期望之间存在着较大的差距，因此重新定位中学数学教师在新课程中的角色是非常必要的。

Typical tumor appears as an eccentric, lobulated margin, slight expansile, ground-glass lesion without reactive sclerosis or periosteal reaction, on plain films.

民国72年至76年期间，本科共收集7例长骨骨化性纤维瘤病例，除1例出现於肱骨，其余都是在胫骨。

The French are not suggesting a new EU treaty, but they have plenty of other wheezes.

法国人并不是在建议签署一个新的欧盟条约，但他们有许多其他的阴谋。

This letter was written by my brother.

这封信是我弟弟写的。