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Problem III Given find such thatProblem IV When Problem I or II or III is consistent, let Se denote the set of its solutions, for given , find , such thatwhere is Frobenius norm, S is Rn×p or a subset of Rn×p satisfying some constraint conditions, such as symmetric, skew-symmetric, centrosymmet-ric, centroskew symmetric, reflexive, antireflexive, bisymmetric or symmetric and antipersymmetric.

问题Ⅳ 设问题Ⅰ或Ⅱ或Ⅲ相容，且其解集合为SE，给定X0∈Rn×p，求X∈SE，使其中‖·‖为Frobenius范数，S为Rn×p或为Rn×p中满足某约束条件的矩阵集合，如对称矩阵、反对称矩阵、中心对称矩阵、中心反对称矩阵、自反矩阵、反自反矩阵、双对称矩阵、对称次反对称矩阵等。

The development of ba sic science such as Mathematics Statistics,Gentics and etc,brought about the ra pid development of applied science such as Group Gentics,Quantitative Gentics,Mo lecular Gentics and so on.Afterwards,many pig breed selection methods such as ap pearance selection,gentic parameter application,index selection,BLUP,gentic mark selection and etc.appearad.Then these methods have been widely applied in bre eding by now.

而数学、统计学、遗传学等基础学科的不断发展，带动了群体遗传学、数量遗传学及分子遗传学的发展，猪的表型选择、遗传参数的应用、指数选择、BLUP法、遗传标记辅助选择等多种选种方法相继问世，并在猪育种实践中得到广泛应用。

But alarms with a variety of other congenital dysplasia throat and trachea, such as laryngeal web, laryngeal cleft, tracheal Chondromalacia identification, etc., should also be noted that with a variety of acquired diseases such as throat inflammation, foreign body, trauma, such as phase identification.

但先天性喉鸣须与其他各种先天性喉及气管发育异常如喉蹼、喉裂、气管软骨软化等相鉴别，亦应注意与各种后天性喉部疾病如炎症、异物、外伤等相鉴别。

Unless within fourteen days of the receipt of such notice the Engineer shall by counternotice direct that such protection or strengthening is unnecessary , then the Contractor will carry out such proposals or any modification thereof that the Engineer shall require and , unless there is an item or are items in the Bill of Quantities for pricing by the Contractor of the necessary works for the protection or strengthening aforesaid , the costs thereof shall be paid by the Employer to the Contractor .

除非在接到通知14天内，工程师以取消通知的方式指示不必采取此种保护或加固措施，承包人将施行此种方案或施行经工程师要求修改后的方案，除非建筑工程清单中含有一项或多项已由承包人标价的上述公路或桥梁保护或加固的必要项目，其费用得由业主向承包人支付。

Unless withinfourteen days of the receipt of such notice the Engineer shall by counternotice direct that such protection or strengthening is unnecessary, then the Contractor will carry out such proposals or any modification thereof that the Engineer shall require and, unless there is an item or are items in the Billof Quantities for pricing by the Contractor of the necessary works for the protection or strengthening aforesaid, the costs thereof shall be paid by the Employer to the Contractor.

除非在接到通知14天内，工程师以取消通知的方式指示不必采取此种保护或加固措施，承包人将施行此种方案或施行经工程师要求修改后的方案，除非建筑工程清单中含有一项或多项已由承包人标价的上述公路或桥梁保护或加固的必要项目，其费用得由业主向承包人支付。

The correlations of eleven floral and fruit quantitative traits of Liriodendron interspecific hybrids(L. chinense×L. tulipifera) and its parent species were analysized.The aglycone and glycoside of flavonoid and carotinoids of perianth segment in the three groups were studied qualitatively and quantatively by high performance liquid chromatography.The results were as followed: The aglycone such as cyanidin, 6-hydroxyflavone and trans-chalcone and the glycoside such as glucose, rhamnose and galactose were discovered in Liriodendron interspecific hybrids and Liriodendron chinense,carotinoids such as lycopene and β-carotene were also discovered.

本文对鹅掌楸、北美鹅掌楸和杂交F_1的花果共11 个数量性状进行分析，并应用高效液相色谱对上述三大类群花被片类黄酮糖苷配基和结合糖及类胡萝卜素进行了定性和定量研究，结果如下：鹅掌楸和杂交鹅掌楸花被片类黄酮糖苷配基为花青素、6-羟基黄酮和反式查尔酮，糖苷配基结合糖为葡萄糖、鼠李糖和半乳糖；类胡萝卜素为β-胡萝卜素和番茄红素。

The main downstream products from the industrial dipentene were reviewed,such as:some kinds of polyester,fine chemical intermediates such as p-cymene,p-menthane and flavours such as carvone ,terpinyl acetate and so forth,the main characteristics and applications were also described in the paper.

综述了工业双戊烯主要的下游产品聚酯树脂、精细化工中间体如对伞花烃、对孟烷以及香料如香芹酮，乙酸松油酯等的合成方法及反应条件，介绍了相应产品的主要性质、用途。

They had various kinds of physical and psychological problems, which were physical problems such as faucitis, digestive system disorder, centrum sickness, cardiovascular and cerebrovascular sickness and neurasthenic, and psychological problems such as anxiety, compulsion, dysphoria and off color, and sub-health Condition such as fatigue and insomnia.

各种相关身心问题较多，常见健康问题包括咽喉炎、肠胃类疾病、颈椎和腰椎类疾病、心脑血管疾病、神经衰弱等生理健康问题，以及焦虑、强迫、烦躁、精神不振等心理健康问题，同时还存在疲劳、失眠等亚健康问题。

Compared with profit organizations, such as managing risks of enterprises, the running of private higher education institutions has the common features of general risks, such as the objectivity, polytropism, nondeterminacy, dualism and potentiality of risks, whiles as a high education organization of nonprofit, it has its own features different from the enterprise risks, such as the worse perniciousness, exigency, complexity, social sensitivity and groupment.

与营利性组织如企业经营风险相比，民办高校办学风险既具有一般性风险的共同特性，如风险的客观性、多变性、不确定性、双重性、潜在性等特性，但作为非盈利性的高等教育组织，民办高校更多的是有着与企业风险所不同的自身特点，如更为严重的危害性、急迫性、复杂性、社会敏感性、群体性。

Youhao Forestry Bureau is rich in natural resources. belonging to temperate zone continential monsoon climate, it has 110 days or so of frost-free period. It has green mountains and water here. It is grown Korean pine, larch, spruce, fir, birch and Manchurian ash, etc. more than 100 of medicinal such as ginseng, acanthopanax and fruit of Chinese magnolilavine, etc. more than 200 of wild animals such as brake, hedgehog hydnum, etc. more than 1000 tons of annual amount exploited, ten of minerals such as iron, copper, siliceous earth and peat. So it has enjoyed exceptional advantages and superior condition of developing economy.

友好林业局自然资源丰富，气候属北温带大陆性湿润季风型，无霜期110天左右，境内山清水秀，主要生长红松、落叶松、云杉、冷杉、白桦、水曲柳、黄菠萝等珍贵树种，以及人参、刺五加、五味子等百余种药材，栖息野生动物200余种，蕨菜、猴头、刺嫩芽等山野菜年采集量达1000余吨，蕴藏着铁、铜、硅藻土、泥炭等数十中矿藏，有着得天独厚的发展经济的优越条件。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。