precipitation number

Increase of the number of RA patients may be related to precipitation, daily average temperature or average wind speed.

类风湿性关节炎的发病或病情加重可能与降水量、日平均气温、平均风速有关。

The theoretical particle size distribution model on ideal growth process of gibbsite precipitation was constructed armed with the knowledge of characteristics of ideal growth process and particle number balance equation.

根据理想生长过程粒度分布变化的特性，通过粒数衡算方程建立了氧化铝种分理论生长过程粒度分布变化的数学模型。

The actual practice of electrical precipitation involves a surprising number of scientific disciplines.

在实践中,电收尘涉及到许多科学领域.

By infrared rain sensor detecting the number of precipitation rain fall, intelligent windscreen wiper system of automobile based on fuzzy control, uses PWM signal of single-chip to control windscreen wiper to work synchronously with high speed or low speed.

基于模糊控制的汽车智能雨刷系统，通过红外雨水传感器感知雨量的大小，运用单片机的PWM信号控制雨刷器同步地工作在高速或低速状态。

The result of stepwise regression analysis showed the RH and the precipitation in the three days before investigation and in the ten days before the investigation were the key factors affecting the apothecium number.

逐步回归分析结果表明调查日前三天的相对湿度和降水量，调查日前十天的相对湿度和降水量是影响田间子囊盘数量的最主要因素。