be closed

基本解釋

When the script ends or when a connection is about to be closed, if you have an outstanding transaction, PDO will automatically roll it back.
當(dāng)腳本結(jié)束時，或者當(dāng)一個連接即將被關(guān)閉時，如果有一個未完成的事務(wù)，那么 PDO 將自動回滾該事務(wù)。
If you open the connection from within a function, and only store the variable in a local variable, the connection will be closed when that function returns.
如果在一個函數(shù)中打開連接，并且只將句柄存儲在一個本地變量中，那么當(dāng)函數(shù)返回時，連接將被關(guān)閉。
As quantum hackers continue to put systems through their paces, such loopholes will be closed—as these now have been—and the systems become more secure.
隨著量子黑客們繼續(xù)考察系統(tǒng)的防護能力，這些漏洞將被關(guān)閉——就像現(xiàn)在所做的——系統(tǒng)也變得更加安全。

If they approved the constitution without slavery, then Kansas would be closed to new slaves.
So the influx of ions from the outside of the cell to the inside of And you can think of ion channels as being gated, by gated it means the gate can be closed and no ions are going through, as in this case here.
下面以離子從細胞外部流入內(nèi)部,你可以把離子通道想象成是有閘門的，也就是說閘門可以關(guān)上,這時沒有離子能通過，就像這種情況。
麻省理工公開課 - 化學(xué)原理課程節(jié)選
The system can be an open system, or it can be a closed system, or it can be isolated.
系統(tǒng)可以是開系，可以是閉系，或是孤立系。
麻省理工公開課 - 熱力學(xué)與動力學(xué)課程節(jié)選

Assouline declares that business is so good, even in these tough times, that membership will soon be closed.
FORBES: Fish and Game