环和 meaning in English
ring sum
Examples
- The ring sum of two circs is a circ .
两个广义圈的环和是一个广义圈。 - In fused-ring and bridge-ring compounds two carbons are common to the two rings .
在稠环和桥环化合物中，两个碳原子是两个环公用的。 - In fused-ring and bridged-ring compounds two carbons are common to the two rings .
在稠环和桥环化合物中，两个碳原子是两个环公用的。 - Accordingly, a whole series of concentric bright and dark rings will surround the central spot .
因此，环绕着中央点将会有整整一系列同心亮环和暗环。 - When considering this response it is convenient to look at closed-loop and open-loop control situations separately .
在研究这一反应时，分别观察闭环和开环操纵情况是方便的。