separation mark的意思|示意

A punctuation mark (,) used to indicate a separation of ideas or of elements within the structure of a sentence.

逗号一种标点符号(，)，用于表示句子结构内思想或要素的分开。

Extraction the moves' mark and shifting the PLC data storage unit, realizes to the movement work piece's track and the separation control.

对PLC的数据存储单元移位及移值标记的提取，实现对运动工件分组信息跟踪和分组控制。

NASA needs good weather to launch Ares I-X because engineers need to see the rocket flight all the way through first stage separation, which will mark the end of the test.

NASA需要好天气来发射战神I-X，因为工程师们要在第一级火箭分离前观测火箭飞行全过程，第一级火箭分离标志着试飞的结束。