英语语法分析

Pointed out the advantages and the feasibilities of choosing PCF as a enlarge medium.

指出了选择光子晶体光纤作为放大媒质的可行性及优势。

The feasibilities of small-radius pipe-bender made in china are demonstrated in technique.

对小半径弯管国产化的可行性，作了技术论证。

The study of feasibilities is something unnegligible in construction of a cross-country gas pipeline.

在建设长距离输气管线时，不可忽视可行性研究。