A、A.必填字符串校验器
B、B.表达式校验器
C、C.必填校验器
D、D.正则表达式校验器
更多“required是（）”相关的问题
A、require函数通常放在PHP 程序的最前面 B、include函数一般是放在流程控制的处理部分中 C、require_once 语句和require 语句完全相同，唯一区别是PHP 会检查该文件是否已经被包含过，如果是则不会再次包含 D、require在引入不存文件时产生一个警告且脚本还会继续执行，而include则会导致一个致命性错误且脚本停止执行
A、any requirement appointed by the Officer B、the most suitable requirement C、the most stringent requirement D、no requirement
A、Company policy requirements B、Local legal requirements C、Storage requirements D、Disposal requirements
A、clearance requirements for all regulatory bodies have been met B、health requirements have been met and no further quarantine formalities are required C、shipment will be made at no cost D、tonnage taxes are not required to be paid
A、 A current RMAN backup-set backup is required. B、 No backup is required. C、 An RMAN image backup is required. D、 A manual backup is required. E、 A "duplicate" preparatory backup is required.
A、not required to be anywhere on the vessel B、required to be permanently marked on the vessel's structure C、required to be painted on the vessel;s stern D、required to be painted on the vessel's bow
A、available minimum requirements B、available maximum requirements C、mandatory minimum requirements D、mandatory maximum requirements
A、not required to be marked anywhere on the vessel B、required to be marked on both bows and on the keel C、required to be marked on the stern with the name of the vessel marked on both bows D、required to be marked on the keel, stern, and both bows
A、The meaning of Flag G is “I have a pilot on board”. B、The meaning of Flag G is “I require a pilot”. C、The meaning of Flag G is “I require assistance.” D、The meaning of Flag G is “I require PSC on board”.
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