valid from

基本解釋

This is perfectly valid from a use-case point of view.
從用例的觀點(diǎn)來(lái)看，這非常有效。
For example, by specifying a valid from-date, the Process Server will be able to decide, which of all the deployed versions of a process template to use when creating a given process instance.
例如，通過(guò)指定有效的 “啟始日期”，過(guò)程服務(wù)器能夠決定在創(chuàng)建過(guò)程實(shí)例時(shí)使用已經(jīng)部署的過(guò)程模板的哪個(gè)版本。
The server knows about URIs to initiate each of the state changes (via a POST), but the representation of the VM lists only the URIs for state transitions that are valid from the current state.
服務(wù)器知道URI發(fā)起了每次狀態(tài)改變（通過(guò)POST），但是VM的表示只羅列出了由當(dāng)前狀態(tài)可以有效轉(zhuǎn)換的那些狀態(tài)轉(zhuǎn)變的URI。

from Europe with a valid entry visa. Umar Farouk Abdulmutallab's name should have come up on a computer screen.
"Therefore you need a new start, where the same ideas that are valid become part of the American foreign policy but somehow delinked (from) that whole invasion and occupation, so the new administration has the opportunity to do that in a way that democracy is incorporated into U.S.Middle East policy."

We have had a little pre-buy effect because Euro 4, the latest emissions standard, was valid from the first of October.
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