针对目前我国交通安全评价方法存在的缺陷，运用系统动力学原理，建立了交通安全度评价的安全因数方法。
The safety coefficient method, which is aimed to construct the evaluation of traffic conditions using system dynamics, is proposed to modify the drawbacks of the current evaluation of traffic safety.
对领从蹄式鼓式制动器制动力矩的效能因数法几种常用的计算公式进行了分析及计算验证。
In this paper, the formulae for calculating braking torque of leading shoe and trailing shoe brake are analyzed.
本文采用投影算子方法统一处理了一维扭析声子耦合气体的动力结构因数。
In this paper, we treat the dynamical form factor of one-dimensional kink-phonon gas as a whole by projection operator technique.
本文采用投影算子方法统一处理了一维扭析声子耦合气体的动力结构因数。
In this paper, we treat the dynamical form factor of one-dimensional kink-phonon gas as a whole by projection operator technique.
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