The rocket is made of several parts, and each part requires a certain time to produce.
这种玩具火箭由几个部分组成，生产每一个部分都需要一定的时间。
These months are needed because the process of producing a new vaccine involves many sequential steps, and each of these steps requires a certain amount of time to complete.
需要几个月是因为生产新疫苗过程涉及许多连续步骤，并且每个步骤都需要一定的时间去完成。
If a plant requires lots of water all the time, it could favor certain geometrical arrangements of veins, which starts to suggest overall leaf shapes.
如果植物需要不停地吸收水分，这有利于特定叶脉的几何分布，最终塑造树叶形状。
Of course, this approach requires a certain amount of time to practice.
当然，这种手法需要一定的时间去练习。
Although the policy requires a certain period of time markedly, it is the right thing to do.
虽然政策需要有一段时间明显，这是正确的事情。
Trapezoid channel is a common form in hydrological project with characteristic of maximum influx at a certain time, its section designing requires a complex equation of higher degree.
梯形渠道的水力最优断面因为具有在过水断面面积一定时通过的流量最大的特点，是水利工程中一种常见的渠槽形式，它的断面设计需求解一个很复杂的高次方程。
"Connecting the dots" of surviving evidence from the time period or event being examined requires a certain amount of personal intuition and supposition.
从被审视的历史时期或事件残存的证据中将“蛛丝马迹”串连起来，这需要一定程度上的个人直觉和假设。
"Connecting the dots" of surviving evidence from the time period or event being examined requires a certain amount of personal intuition and supposition.
从被审视的历史时期或事件残存的证据中将“蛛丝马迹”串连起来，这需要一定程度上的个人直觉和假设。
应用推荐