关键词:ZigBee 自动气象站 风速 JN5121 [gap=1054]Key words:ZigBee ; automatic meteorological station ; velocity of wind; Jennic5121 ...
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Beaufort Scale of Wind Velocity 蒲幅风速分级法
safe wind velocity of driving 安全行车风速
velocity of ion wind 离子风速
velocity of solar wind 太阳风速度
In a 3-meter space,126 measuring points were set for measuring velocity of wind under 5 kinds of rotational speed. Meanwhile we extended air outlet for 30cm and 50cm to measure the velocity of wind.
距风机出风口3米内,布置了126个测点分别测定其五个转速下的风速,同时将出风口延长30cm、50cm分别测定了各点的风速值。
参考来源 - 风筛式清选装置中离心风机的试验研究及仿真分析There are lots of factors that can affect the natural ventilation, such as the flow way and velocity of wind which can produce huge affection but is difficult to be considered by quantity.
影响自然通风的因素很多，海上的风向、风速会对自然通风产生很大的影响，但是由于其不确定性，在设计时难以对其进行定量分析。
参考来源 - 船舶机舱的自然通风·2,447,543篇论文数据，部分数据来源于NoteExpress
Under the conditions of less rainy days during the blooming period, the temperature is the main factor influencing the reproductive rate, then is the duration of day and the velocity of wind.
在阴雨较少的情况下花期温度是影响繁殖率高低的主导因素，其次为日照时数和平均风速。
Most of the researches of selectivity of fishing gear ignored the between-haul Variation which is caused by uncontrolled factors such as the depth of water, direction and velocity of wind and current.
传统渔具选择性研究大多忽略了非可控因素(如水深、风流等)造成的网次间差异。
By the time he passed four thousand feet he had reached terminal velocity, the wind was a solid beating wall of sound against which he could move no faster.
他穿越四千英尺的高度时，已经达到极速，呼啸着的海风就像一堵坚实的墙，拦在前面，使他无法以更快的速度前进。
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