And now you will understand how we define the instantaneous velocity at time t which is different from an average velocity between two time intervals.
现在明白了吗，t时刻，的瞬时速度是怎样定义的，与两时刻间的平均速度相比，瞬时速度并不一样。
Although velocity varies among different plate, plate heat exchanger in the change of heat and fluid resistance calculation, is still at an average velocity to calculate.
虽然板式换热器各板间流速不等，但在换热和流体阻力计算时，仍以平均流速进行计算。
Previous findings demonstrated that a reduced improvement in coronary flow velocity reserve due to an increase of baseline average peak velocity was linked to cardiac biomarker elevation, they add.
以前的研究证实降低冠脉流速可以增加平均血液流速贮备，导致心肌生物标志物增加。
The results show that the average flow velocity increases with the flow discharge and the slope gradient in an exponential form, and the slope gradient has greater effect on velocity than discharge.
结果表明，坡面径流平均流速随坡度和流量的增加而增大，流速与坡度和流量之间存在指数函数关系，坡度对流速的影响大于流量。
However, increasing loading rate will result in an increase of measured average crack velocity.
但加载速率愈快，裂纹扩展实测平均速度愈高。
This paper put forward an improved direct extraction method with pseudorandom cross correlation function, by which, the average and local velocity in blood vessel are measured simultaneously.
本文提出了一种能同时测量血管平均流速和局部流速的改进伪随机码互相关直接提取方法。
Furthermore, the time history and spectrum of the average flow velocity through an orifice are computed, from which the nonlinear distortion of flow velocity is analyzed.
进而计算了圆孔中的声质点速度，并分析了孔中速度的畸变情况、最后给出了圆孔的非线性声阻和声抗的理论值。
Furthermore, the time history and spectrum of the average flow velocity through an orifice are computed, from which the nonlinear distortion of flow velocity is analyzed.
进而计算了圆孔中的声质点速度，并分析了孔中速度的畸变情况、最后给出了圆孔的非线性声阻和声抗的理论值。
应用推荐