The default value is REQUIRED.

默认值是REQUIRED。

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A value is required for live mode.

实时模式需要一个值。

youdao

Select the Value is required checkbox.

选中Value is required复选框。

youdao

That's what is pushing up the value of its landing slots, so airlines are required to maximise profit from each slot, and that is best done by long-haul routes.

BBC: BA: long-haul and the short of it

Barbero says technology is only part of the answer: troops have to be trained to get the full value of counter-IED technology, and detailed intelligence is required to attack enemy networks and finances.

FORBES: Move up http://i.forbesimg.com t Move down

If the marginal value that a customer receives for increased reliability is less than the marginal cost required to increase reliability for that customer, then a systemwide relocation of lines would likely lead to wasted resources.

WSJ: Should Utilities Be Required to Bury Power Lines to Protect Them?