In the latest positive signal, the Commerce Department reported that home construction rose last month to the highest level since April.
最近市场显示出积极信号，美国商务部宣布，8月份美国房屋开建量创下4月以来最高水平。
2
During the construction, we should consider firstly how to make use of all medium resources to improve the signal quality of the main classroom.
在建设过程中，必须首先考虑充分利用各种媒体资源，提高主课堂的信号质量。
3
This paper introduces some problems existing in the process of railway signal cable construction, and in the light of these problems, advances some corresponding improving methods.