Operate guidebook:The direction key control, the or so key make a turn, up and down the key go forward countermarch.
方向键控制，左右键转弯，上下键前进后退。
| 单词 | Key Control |
| 释义 |
Key Control
英语例句库
Operate guidebook:The direction key control, the or so key make a turn, up and down the key go forward countermarch. 方向键控制，左右键转弯，上下键前进后退。
原声例句
PBS访谈商业系列 And there was no key control on the elevator. 而且电梯上没有钥匙控制。
英语百科
Key controlKey Control refers to various methods for making sure that certain keys are only used by authorized people. This is especially important for master key systems with many users. A system of key control needs to include strategies for keeping track of which keys are carried by which people, as well as strategies to prevent people from giving away copies of the keys to unauthorized users. The former may be as simple as assigning someone the job of keeping an up-to-date list on paper. A more complex system may require signatures and/or a monetary deposit. Preventing unauthorized copies typically falls into one of the following five levels. |
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