查询词典 expressions

Considering the randomness of the structural physical parameters and utilizing the random variable's functional moment method and the algebra synthesis method, the mean value and the variance of the mean square value of the structural displacement response under stationary random excitation are computed firstly from the expressions of structural stationary response in frequency domain. And then the expressions of the mean value and the variance of stochastic rigid frames dynamic reliability are educed from the Poisson formula of calculating dynamic reliability.

考虑结构的物理参数具有随机性，从结构随机响应的频域表达式出发，利用求解随机变量数字特征的代数综合法和矩法，导出随机参数刚架结构在平稳随机激励下的位移及速度响应均方值的数字特征，再由动力可靠性的Poisson公式导出结构动力可靠度的计算公式。

The dynamic characteristics of stochastic truss structures and stochastic frame structures are analyzed by using Random Factor Method. Then, from the expressions of structural random response of the frequency domain, the computational expressions of the mean value, variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non-stationary random excitation are developed by means of the random variable's functional moment method and the algebra synthesis method.

考虑压电智能桁架结构物理参数、几何参数、结构阻尼和外荷载、闭环系统控制电压分别或同时为随机变量，构建了结构在随机力作用下的动力响应分析模型，提出了求解方法，推导出结构动力响应随机变量的数字特征计算表达式，通过算例验证了所建模型和所提求解方法的正确性和有效性。

And the findings are listed as follows: firstly, at the level of phonology, in displayed questions, teachers tend to employ more falling tones than rising tones, while their students use rising tones in questions; secondly, at the level of lexes, teachers use negative evaluative words, medium, high value modal expressions and the vocative expressions.

在词汇方面，教师使用负面评价性词汇、中性和高性的情态用语和学生全名称呼语方式；而学生使用了无评价性词汇、低性情态用语和教师敬称。

Chapter 7 "Birds" and the Expressions of Poetic Nature"Flyingbirds Poems" present various and outstanding expressions ofpoetic nature by the multeity of visual angles, the abundance of theimages and the diversity of the styles.

主要表现为视角的多重性、形象的丰富性和风格的多样性，因而创作出许多各具风采的诗歌佳作。

Methods The expressions of Survivin and VEGF were studied via immunohistochemical method in 60 cases of astrocytoma and 12 normal brain samples. The correlation between these two expressions and their relationship with the pathology were analyzed.

采用免疫组织化学SP法检测60例人脑星形细胞瘤组织和12例正常脑组织中Survivin、VEGF基因的表达，并分析其与临床病理特征的关系以及两者间的相互关系。

MethodsThe expressions of Survivin and VEGF were studied via immunohistochemical method in 60 cases of astrocytoma and 12 normal brain samples. The correlation between these two expressions and their relationship with the pathology were analyzed.

采用免疫组织化学SP法检测60例人脑星形细胞瘤组织和12例正常脑组织中Survivin、VEGF基因的表达，并分析其与临床病理特征的关系以及两者间的相互关系。

Methods Expressions of OPN and VEGF were detected by immunohistochemistry method in sixty four tumor tissues, ten hepatic cirrhosis tissues and ten normal tissues. Correlation between the expressions and clinicopathological features was analyzed.

采用免疫组化法检测64例肝癌组织、10例肝硬化组织及10例正常组织中OPN、VEGF的表达，分析两者与临床病理特征的关系。

The transform of phenotype of VSMC: The mRNA expressions of SM22α-a notate gene of contractile VSM-were all detected on normal aortas,but decreased normally when the aortas were destroyed and cultured in vitro for 10 days,especially in the serum groups,whose SM22αmRNA could not be detected by RT-PCR.Here,BQ123 can increased their expressions.This demonstrated that serum culture and the secretion of ET-1 can produce the transform of phenotype from contractile to synthesize type.

血管平滑肌表型的转化：RT-PCR检测发现，血管平滑肌收缩表型标志基因SM22α在正常血管平滑肌中都有表达，但在内皮损伤后体外培养10天的血管表达明显减弱，其中血清培养组血管基本不表达，加内皮素受体阻断剂BQ123后，各组SM22α的表达均有所上调，这表明内皮素分泌和血清培养促进了血管平滑肌的表型由收缩型向分泌型的转化。

The existence of a written contract depends on the fact that the offerer and offeree have interchanged their written expressions, not on the continued existence of those expressions.

书面合同的存在取决于要约人和受约人之间交流了书面表达之事实，而非那些表达的继续存在。

The expressions in the previous exercise evaluate in an order that is likely to be surprising. Parenthesize these expressions to evaluate in an order you imagine is intended.

习题 5.25 中的表达式的计算次序与你的意图不同，给它们加上圆括号使其以你所希望的操作次序求解。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。