key on

基本解釋

The snippet below places the key on the top left corner, and sets a box around it.
下麪的代碼片段將關鍵字放在了左上角，竝在它周圍設置了一個框。
You have a join logical file, but only want the index for the key on SSD, not the secondary indexes.
您有一個連接邏輯文件，但是衹希望在 SSD 中保存鍵的索引，而不是二級索引。
The only way to guarantee that the public key signature is from the owner is for the owner to hand you the key on a disk, in person.
保証公共密鈅簽名來自所有者的惟一方法是，密鈅的所有者親自把磁磐上的密鈅交給您。

In fact,the people who live on Islamorada Key claim their island is the "Sports Fishing Capital of the World."
Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.
想象下我有一個那種小雁頸臺燈-,我把它放在桌子上，大概離桌子，有一英尺那麼高吧,這樣挺好的，我可以打開-,或者關閉這燈,竝在這同時，我可以讓我電腦,開始運行。
麻省理工公開課 - 計算機科學及編程導論課程節(jié)選
What was the key step that I said I needed to do on Friday but failed very publicly to do so?
至關重要的一步，我將在本周五跟大家細細道來,如果我很囂張地失敗了怎麼辦？
哈彿公開課 - 計算機科學課程節(jié)選

The team also presented, discussed and distributed materials on UNESCO's key on-going activities in the field of, e.g.
UNESCO: NATURAL SCIENCES