That's the first derivative of the position versus time.
它就是位置，对时间的一阶导数。
This information can be used to determine how much time is spent in the various Search services versus time spent in the Batch Report service.
此信息可用于确定在各种Search服务中花费了多少时间以及在BatchReport Service中花费了多少时间。
In patients with hypertension, the plasma drug concentration and blood pressure versus time curves mirrored each other, indicating a close relationship between concentration and effect.
在高血压患者中，药物血浆浓度与血压-时间曲线相互对应，这表明药物浓度与降压疗效之间密切相关。
A graph of average speeds versus time can give the acceleration due to gravity of the falling object.
平均速度——时间图表可以给出这个自由落体的重力加速度。
To use the drilled coal core site desorption data can get a drop-down curve of abandoned mine methane emission rate versus time approximately.
用钻孔煤心现场解吸数据可以近似得到废弃矿井甲烷涌出速度对时间的下降曲线。
The high pressure turbine tip clearance variation versus time under different operating conditions were analyzed by the finite element method.
利用有限元分析软件分析了某型高压涡轮叶顶间隙在不同工况下随时间的变化。
The back-calculated results are further used to predict the settlement versus time curves under the embankment centerline which coincides well with those measured in field.
运用这一成果，预测路堤中线下地基固结沉降历时曲线与实测沉降曲线很好吻合。
The wave force on the steel-pipe pile which was connected and unconnected to the test platform was tested; and the acceleration versus time data and natural vibration frequency were obtained.
对波流力作用下连接及未连接平台的钢管桩进行了测试，获得了加速度时程曲线以及钢管桩固有频率。
GMSK schemes typically transmit in a saturated mode in which transmitted data is output from the pa with a constant amplitude as measured by power versus time during the useful part of the burst.
GMSK方案一般在饱和模式下进行发射，其中在脉冲串的有用部分期间，功率放大器以功率幅度不随时间变化的方式发送数据。
GMSK schemes typically transmit in a saturated mode in which transmitted data is output from the pa with a constant amplitude as measured by power versus time during the useful part of the burst.
GMSK方案一般在饱和模式下进行发射，其中在脉冲串的有用部分期间，功率放大器以功率幅度不随时间变化的方式发送数据。
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