fall是什么意思

网络释义

用法例句

There are four main reasons why the quality of novels fall in the latest ten years: (1) Thedegeneration of moral character; (2) The emptiness of ideological content; (3) The influence of thecommercialization of mass media; and (4) The fall of criteria for literary comments.

文章从4个方面论述了近十年来小说质量滑落的原因:精神品格的堕落,思想内容贫瘠,传媒商业化的冲击,文学批评失范,以期引起足够的关注。

Moreover, it establishes mechanical model of roof structure after first destruction, and points out that sur-hinge-point is dangerous point by analyzing mechanical condition of sliding instability and rotary instabilit.

通过分析结构滑落失稳和回转失稳的力学条件,指出危险点是上铰接点。

A feasible Laser Doppler Velocimetry technique based on Amplitude Discrimmation has been used to determine the local gas and solids velocity simultaneously, which can lead to the local slip velocity between the gas and solids in a cocurrent downflow circulating fluidized bed (CDCFB).

利用幅值鉴频的激光多普勒测速技术,同时测定并流下行循环流化床（CDCFB）中的气体和固体的局部速度,由此可以获得气固间的局部滑落速度。

Based on field observation and simulation tests,the characteristic of slipping-fall ofimmediate roof for joint rock mass is clarified,and a corresponding mechanical model is established in this paper.

根据现场实测和模拟实验结果，阐明了直接顶块裂岩体滑落冒顶的特征，建立了相应的力学模型，采用矢量计算法研究了块裂岩体稳定性及其控制参数。