在不同的风速条件下，采用牛顿下降梯度法迭代求解非线性代数方程组形式的系缆气球平衡方程。
For the different wind speed, the equilibrium points could be got from the trim equations solving by Newton iteration method.
在相同流量下，改变风机出风口的大小，可以得到不同的出口风速和梯度。
The wind speed and its gradient varied with a fan outlet area change at a constant flux.
冬春季节气压梯度的减小是风速减小、进而导致沙尘日数减小的关键间接因素。
Results also show that decrease of pressure gradient in winter and spring influences dust weather frequency by affecting wind speed indirectly.
测量风速梯度时，相对误差小于1%。
When wind gradients are measured, the relative error is less than 1%.
文中并介绍了实际用以测定风速及风速梯度时可用的线路。
Appropriate circuits for wind speed and for wind gradient measurements are also described.
本文介绍一种适合观测风速及风速梯度用之热电偶风速仪。
A thermocouple anemometer suitable for wind speed and wind gradient measurements has been constructed.
结果表明，四川盆地具有风速小，且风速垂直梯度亦小的特征；
The results showed that it has features of low wind speed and small in vertical gradient of the wind speed in Sichuan basin.
通过分析认为，送风温度的变化对于整个试验区域速度场和温度场的梯度变化影响较小，而送风速度的变化则影响较大。
It was concluded that change of air supplying temperature has a little influence on the gradient of the velocity and temperature.
预报东、西风型风速的首要因子分别是气压梯度和变压梯度。
The most important factor for eastern wind type is barometric gradient, but that for western wind type is allobaric gradient.
为模拟大气边界层，实验段较长，实验模型放在实验段后部。为减小轴向静压梯度顶板高度分段可调。风速比航空凤洞低。
In order to simulate boundary layer in atmosphere, the length of first test section is longer than usual one, the models are put into the rear part.
为模拟大气边界层，实验段较长，实验模型放在实验段后部。为减小轴向静压梯度顶板高度分段可调。风速比航空凤洞低。
In order to simulate boundary layer in atmosphere, the length of first test section is longer than usual one, the models are put into the rear part.
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