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In this paper the nonstationary vibration behavior of an unbalanced rotor system, which is assumed to be bending flexible but torsionally rigid, during acceleration or deceleration through the critical speeds is investigated. Influencing factors such as gyrascopic effects, external and internal damping, Supporting mass, damping and stiffness, asymmetry of the shaft crass section as well as anisotropy of the supports are considered.

在理论分析方面，本文考虑了转子的陀螺效应，内外阻尼，轴截面的非对称性，支承的貭量、阻尼、刚度和支承的各向异性等因素的影响，使用分析动力学，建立起严格的运动方程，并考虑了弯曲自由度与转动自由度间的耦合，因而能较精确地分析和描述转子通过临界点时的非定常振动和转速变化規律。

The author concludes his review by asking,"Where is the scientific evidence showing that GM plants/food are toxicologically safe, as assumed by the biotechnology companies?"

作者在评论中用询问作结论：&有哪里的科学证据去证明，正如生物技术公司自己所假设的一样：转基因植物/食物的毒性是安全的呢？&

Based on the structural model of tracheid from Bolton and Petty,the flow-resistor of tracheidis assumed to consist of four components in series.

设若一个管胞的流阻为Rg，管胞腔的流阻为RL，纹孔系统3部分的流阻分别为RPA、RBT和RMo；又，在某一个纹理方向上管胞纹孔的数目是N，纹孔膜的微孔数目是NM，则管胞在该纹理方向上流阻的数学表达式为

Other economic functions were assumed by them. For example,officers in Xiang and petty officials in Li concretely executed the economic measures to maintain tranquilization and development of small-scale peasant economy by the state.

此外，还有其他诸多经济职能，比如国家维护小农经济稳定与发展的经济措施，乡官里吏都是具体的执行者。

The components we saw previously assumed that there are only two access levels, unauthenticated and authenticated.

前面提到的那个组件仅仅假设只有两种访问级别，未通过验证和已通过验证。

Whether he felt dread at going to the war, or grief at forsaking his wife or possibly something of both―he evidently did not care to be seen in that mood, for, catching the sound of footsteps in the outer room, he hastily unclasped his hands, stood at the table, as though engaged in fastening the cover of the case, and assumed his habitual calm and impenetrable expression.

他莫非是害怕上战场，抑或是离开妻子而忧心忡忡，――也许二者兼而有之，显然，他只是不想让人家望见他有这种心境；他听见门斗里的步履声，就连忙放开倒背着的手，在桌旁停步了，好像正在捆扎匣子上的布套，脸上带有平常那种宁静和神秘莫测的表情。

Most published estimates of Earth's human carrying capacity uncritically assumed answers to one or more of these questions.

对上述问题，大部份估计地球承载能力的报告，都有一个或以上的答案是基於一厢情愿的假设。

Although is in the Chinese cultural circle,Zhang's special experience makes him the ultimate choice of the religion as a means to the spirit of their own,and be used as weapons,and the yardstick,and in unjustice,vulgar,shameless and so on spiritual crisis and the confrontation of some people assumed the posture of fighting.

虽然身在汉文化圈，可是特殊的经历使得他最终选择了宗教作为自己的精神指归，并且将其作为武器与准绳，在和不义、庸俗、无耻等等精神危机以及部分人的对抗中摆出了战斗的姿态。

To recognize the ideas that have been traditionally assumed to be acceptable and unproblematic.

去重新审视那些传统上认为可以接受并且没有问题的

Firstly, a formula is presented in this paper, for theultimate strength of T-shaped unstiffened CHS-RHS joint under out-plane bendingload. The yield line model based on flexural failure of the chord face, is assumed onthe basis of Von-Mises stress distribution on the chord face.

本论文在有限元数值计算基础上，根据主管表面的应力分布，假定了基于弦杆表面塑性破坏模式下的节点屈服线模型，推导了平面外弯矩作用下非加劲节点的极限承载力公式，与有限元计算结果非常接近。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。