如果货物每吨的平均运程按87公里(合54英里)计算，货物可以被保证在同一天或头天晚上准时交付。
With the average length of hauls being about 87km (54 miles), deliveries can often be guaranteed the same day or overnight.
本文导出了混合理想气体中分子相对速度的分布，并由此计算了混合理想气体中分子的碰撞频率和平均自由程。
At present paper, we deduced the relative velocity distribution of mixed ideal gas molecule. Then we got the average collide frequency and average free distance.
结果表明：随核物质同位旋非对称度的增大，质子平均自由程减小而中子的平均自由程增大。
It is shown that as increasing the isospin asymmetry, the proton mean free path decreases while the neutron one increases.
而该种分子的平均自由程等于它的平均速率与平均碰撞频率之比。
The average free path of this molecule is equal to the rate of its average speed to average collision frequency.
麦克斯韦自由程是第一种路程的平均值，泰特自由程则是第二种路程的平均值。
Maxwell's free path is the mean values of the first distance, and Tait's free path is that of the second.
电子复自能的虚部给出了空间和角度相关的微分倒数非弹性平均自由程(diimfp)。
The imaginary part of the complex self energy of electron provides spatial and angular dependent differential inverse inelastic mean free path (DIIMFP).
通常所称的气体分子平均自由程并未计及容器器壁的影响。
In general, in calculating mean free-path of gaseous molecules, the effect of container is not considered.
年平均径流量与汛期径流量均呈沿程递减。
Annual average runoff amount and runoff amount of flood season decreased along the river.
几何平均自由程或容器的特征尺度是低压下描述气体分子热运动的重要物理量。
The mean geometric free path or the characteristic dimension of a container is the important physical magnitude in describing the heat motion of gas molecules under low pressure.
得出多期三程测量一测段平均观测中误差为24微伽。
An error of 24 microgals is obtained for one of the averaged measurement route in the multi-term triple-run measurements.
而同程旅游CEO吴志祥此前曾表示，出境游交易用户的获客成本在2000元左右，这也是行业平均水平。
The same way travel CEO Wu Zhixiang had previously said that outbound travel transaction users get the cost of about 2000 yuan, which is the industry average.
结果表明，射频功率的改变直接影响到离子对衬底的轰击效应，而反应气压的改变影响气体分子的平均自由程。
Results show that the change of power affects ions' bombardment on the substrate, and that of pressure lead to the change of the mean free path of the molecular.
金属中自旋翻转散射长度远长于电子平均自由程，近来关于自旋翻转散射效应的研究主要集中于扩散区域。
Because the spin-flip length is longer than the electron mean-free-path in a metal, past studies of spin-flip scattering were limited to the diffusive regime.
本文根据丁坝作用后水槽中水流情况，采用动量方程结合试验资料，导出了丁坝下游主槽平均流速沿程变化的公式，以此为基础，提出了丁坝作用下河床冲刷段长度的计算公式。
According to the flow state in flume for spur and experimental data, the formulas for the mean velocity of main channel varying with distance downstream were derived with momentum principle.
本文根据丁坝作用后水槽中水流情况，采用动量方程结合试验资料，导出了丁坝下游主槽平均流速沿程变化的公式，以此为基础，提出了丁坝作用下河床冲刷段长度的计算公式。
According to the flow state in flume for spur and experimental data, the formulas for the mean velocity of main channel varying with distance downstream were derived with momentum principle.
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