In the thymus, immature t cells display on their surface many thousands of unique receptors, generated by random gene rearrangements.
在胸腺里,未成熟的T细胞表面有成千上万的分别不同的受体,这些受体由随机基因重新安排产生。
The calculating method given in this paper USES only the second order distribution of the random process, not involving the simultaneous distribution of X (t) and X (t).
本文介绍的一种计算方法只用到随机过程的二阶分布而不涉及(t)与x (t)的联合分布。
To monitor the random crack of the concrete dam structure with the ordinary instrument isn t effect.
如何监测大坝混凝土结构的随机裂缝,常规仪器显得无能为力。
Light scattering matrix of random oriented two spheres system is studied extensively by using the t matrix method and the principle of superposition.
本文用T矩阵与场方程叠加相结合的方法,系统研究任意方位双球粒子体系散射矩阵各元素随两球球心的间距变化规律。
There is a sharp peak in the power spectral density of da- ta. It is a narrow band random vibration which depends on t…
文中还讨论了车轮振动加速度功率谱密度峰值的性质,由于履带节的作用使车轮产生与车速有关的窄带随机振动。
METHODS: Random sample questionnaire survey was conducted among consumers in Baoding city and its surrounding counties, and the data were subjected tot-test, analysis of variance, and LSD-t test.
方法:对保定市及周边县城消费者进行随机抽样问卷调查,采用t检验、方差分析和LSD - t检验等方法对调查数据进行统计学处理。
METHODS: Random sample questionnaire survey was conducted among consumers in Baoding city and its surrounding counties, and the data were subjected tot-test, analysis of variance, and LSD-t test.
方法:对保定市及周边县城消费者进行随机抽样问卷调查,采用t检验、方差分析和LSD - t检验等方法对调查数据进行统计学处理。
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