他需要一定的风向和风速。
“海上皇后”船，相对风向和风速是多少度，几节？
M/V Sea Queen, what is relative wind direction in degrees and knots?
他往上看看，往下看看，测量了一下距离，又计算了适当的风向和风速。
Looking up, looking down, measuring the distance, figuring just the right wind direction and speed.
结果表明，在计算联合频率中应用风向和风速概率矩阵比应用频率矩阵更准确、可靠。
The results indicate that it is more accurate to estimate joint frequency by using probability matrixes than frequency matrixes.
风：大多数台站都设置风向标及磁感风杯风速表来量度风向和风速，并附有刻度盘或图表记录器。
Wind: most meteorological stations are equipped with combined vane and cup generator anemometers with dial indicator and or chart recorder for wind speed and direction measurement.
因此，每逢秋天，就在寒冷潮湿的天气来临前，他总是等待湿度达到适合的水平，风向和风速适宜才燃起他那50英亩土地的某些部份。
So each autumn, before wet, cold weather leaks over the mountains, he waits for the humidity to be just right, for the wind to blow just so, and then he burns portions of his 50-acre spread.
风力发电机的控制系统和偏航机构本身都存在一定的滞后性，当风向和风速频繁变化时，风机叶轮迎风面无法准确对准风的来向，随之而来的系统对风的跟踪失效问题会影响风力发电机的效率。
There is a certain lag in wind turbine control system and yaw body itself, the impeller can not accurately aligned toward the wind direction when the wind direction and wind speed changes frequently.
龙卷风探测仪的内部安装有传感器以测量风速、温度、压力和风向。
Inside the tornado probe, there are sensors to measure wind speed, temperature, pressure, and direction.
《护卫者号》将通过测定风速和风向，为各国际机场提供准确的气象预测信息。
By determining wind speed and wind direction, it will be possible to predict exact forecasts for international airports.
为了在预期站点建立更准确的风速和风向图，一些公司转向激光或者声纳系统基础的测量仪器完成MCP。
To establish a more accurate picture of wind speed and direction at prospective sites, some companies are turning to laser and sonar-based measurement instruments to complement MCP.
风速和风向会影响放射性尘粒到达的时间；冰雹则能带出空气中的放射性尘降物。
Wind speed and direction will affect arrival time of fallout; precipitation may wash fallout from the atmosphere.
风切变影响帆船运动，提出不同的风速和风向不同高度沿线的桅杆。
Wind shear affects sailboats in motion by presenting a different wind speed and direction at different heights along the mast.
每个小时当班的助理得观察仪器，记录风速和风向。
Every hour the assistant on duty had to read the instruments, make a note of the wind speed and direction.
该软件提供对温度，云层，可能的风暴，离子总数，风速和风向的预报。
There are forecast for temperature, cloudiness, storm probability, amount of precipitation , wind speed and direction.
利用多路测风传感器采集风速和风向数据，设计了一种新型的基于双MSP430系列单片机的风力数据采集系统。
Using multi-roads sensors to obtain wind speed and direction data, this paper designed a new wind power data acquisition system based on double-MSP430 single chips.
本文通过运用CFD技术数值模拟舰船的运动，来求解各种舰桥风速和风向下的甲板流场。
At the different velocity and direction of wind, the flow field on warship deck can be calculated by CFD technique.
风丈量系统10包含风速仪和风向标，监测即时风况，并将信号传给风机节制系统。
The wind measurement system 10 includes an anemometer and a wind vane, which monitors real-time wind situations and sends the signal to the wind turbine control system.
风速和风向。
引入横风力谱模型，分析了某高宽比为6的方形截面高层建筑在不同地貌和风速条件下的横风向风振响应。
With the across-wind force spectrum, the across-wind dynamic responses of tall square-section buildings with aspect ratio of 6 is analyzed in the conditions of different ground and wind velocities.
人工神经网络应用于预测的风速和风向，风电功率预测结果，根据测得的功率曲线。
Artificial neural network was applied to forecasting wind speed and wind direction, and wind power forecasting results were achieved according to the measured power curve.
他说：“记录风速和风向的仪器不起作用，因为无线电坏了，指挥塔也无法与飞机联系。”
"Instruments to record wind velocity and direction are inoperative, and with the radio broken there is no way for the control tower to communicate with aircraft, " he said.
该器件有一个风速计：测量和显示风速和风向。
This device has an Anemometer: It measures and displays wind speed and direction of the wind.
并分析了栏杆、风速和风向角对涡激振动的影响以及未发现明显的大幅涡激振动的原因。
And analyzed the effect of the railing, the wind speed and wind direction on the vortex-induced vibration, and the reason for no obvious vortex-induced vibration.
并分析了栏杆、风速和风向角对涡激振动的影响以及未发现明显的大幅涡激振动的原因。
And analyzed the effect of the railing, the wind speed and wind direction on the vortex-induced vibration, and the reason for no obvious vortex-induced vibration.
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