double-line

The paper discussed the wiring pattern,protection and characteristics of electified section post with double line quadripole wiring.

论述了双线电气化分区亭的接线方式、保护及其特点。

This paper reviewed the chromosomal engineering in the aspects of double diploid, hetero-additive line, hetero-replacement line, exchange line, monosome one incomplete chromosome systems.

对植物工程与双二倍、异附加、异代换、易位、单与统进行了综述。