保持键的英文

hold key

• 保持:    keep; hold; retain ...
• 键:    key
• 保持:    (维持; 使不消失或减弱) keep ...

例句与用法

1. We give the annotation technology , which can be used to locate the positions of updates in the original one and update the documents efficiently
   并且提出了新的标注技术，实现了对xml文档更新位置的快速定位，从而高效地实现了xml文档保持键约束的更新。
2. A key in which the keyer signal is faithfully reproduced in the final key effect . linear keying preserves soft key edges , and generally has a gain of 1 , or unity
   在最终的键效果中键控器信号被如实地复制的一种键。线性键控保持键的柔边，并且通常增益值取1或一致。