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With the frequency and mode shape being regarded as functions of damage parameters, the overdetermined algebraic equations with damage parameters as unknowns can then be constructed by differentiating frequency and mode function on the basis of structure mode finite element formula, the damage parameters of which are obtained via Taylor expansion. The whole damage parameters can be found via solving the algebraic equations.

本方法从结构模态有限元算式出发，把频率和振型看作损伤参数的函数，经过泰勒展开获得频率、振型对损伤参数的一阶偏导数，然后构造以损伤参数为未知量的超定线代方程组，求解得到全部损伤参数值。

Morning stiffness, symmetric arthritis, RF positivity, ESR, CRP and synovial hyperplasia, enhanced pannus, bone marrow edema and bone erosion have certain differentiating diagnosis value between early RA and non-RA.

以晨僵、对称性关节肿胀、ESR增快、RF阳性、CRP值升高、血管翳强化、滑膜增厚、骨侵蚀、骨髓水肿为指标时对于鉴别早期RA与非RA具有一定诊断价值。

The results suggest that the dynamic strain can promote the human periosteal cells differentiating into osteoblasts and it might be one of the mechanisms in biological effects on bone.

动态力学信号能够促进人骨膜细胞向成骨细胞分化，这可能是其对骨的生物学作用的机制之一。

In conclusion, real-time US is a useful and reliable modality in detecting periportal vessels and differentiating PPCC from the hepatic artery.

实时间超音波对傍门静脉血管的侦测及鉴别傍门静脉侧枝循环与肝动脉，是有用且可信赖的工具。

PLAP can be applied for differentiating diagnosis of germinomas from other tumors.

PLAP可用于生殖细胞肿瘤与其他肿瘤鉴别诊断。

［Objective］To construct eukaryotic expression vector containing Sox9 derived from immortalized precartilaginous stem cells and to probe its inductive effect on marrow stroma cells differentiating into precartilaginous stem cells.

［目的］从永生化骨骺干细胞中克隆Sox9基因并构建真核表达载体，并探讨Sox9诱导骨髓基质细胞向骨骺干细胞分化的可能性。

Construction of Sox9 eukaryotic expression vector and its inductive effect on marrow stroma cells differentiating into precartilaginous stem cells∥HU Weihua,CHEN Anmin,GUO Fengjin,et al.

［目的］从永生化骨骺干细胞中克隆Sox9基因并构建真核表达载体，并探讨Sox9诱导骨髓基质细胞向骨骺干细胞分化的可能性。

Also, a lack of predisaster baseline surveillance information can lead to difficulties in accurately differentiating epidemic from background endemic disease transmission.

同时，灾前基准监控数据的缺乏，给精确判断自然灾害给疾病传播带来的冲击造成困难。

For a bank, especially a young, rapidly growing bank, in my opinion, Siebel's out-of-the-box scalability is the salient and differentiating feature, said Ahmed Saqib Asad, Chief Information Officer at EGIBL.

对于银行，尤其是一个年轻的，快速增长的银行来说，我认为， Siebel的出先进的系统盒可扩展性，是突出和区分功能，一位名叫艾哈迈德saqib阿萨德，首席信息官egibl 。

Objective To explore the values of ST segment elevation in lead aVR for differentiating paroxysmal supraventricular tachycardia.

目的探讨aVR导联ST段抬高及其持续时间对阵发性室上性心动过速的鉴别价值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。