principal

例句与用法

The principal objective in designing cyclones is to create a vortex .
设计旋风除尘器的主要目的在于造成涡旋运动。
At burlington i made acquaintance with many principal people of the province .
在伯林顿，我认识了该州许多重要人物。
All three principal components of this definition are of great importance .
这一定义的三个主要构成部分，都极为重要。
Each segment is named according to the principal constellation found in it .
每个分区用在它里面发现的首要星座来命名。
Within less than half an hour, the principal business had been disposed of .
不到半个小时，一些主要的事情都已解决了。
Indeed, none of the principal leaders survived 1974 in office .
实际上，1974年尚未结束，那些主要的领导人就全部下台了。
Convection is the principal agent of heat transfer in the atmosphere and oceans .
对流是大气和海洋中热传输的主要方式。
He had been stimulated by one of the principal questions of musical aesthetics .
他曾受到一个音乐审美学主要问题的推动。
To answer this question, we need to plot trajectories of principal stresses .
为了回答这个问题，我们尚须画出主应力迹线图。
If we bring it into the funds, we shall maybe lose the principal and all .
如果我们把它变做公债，我们也许会丧失本金和一切。