单选题
发布日期:2021-03-22
receive shore-to-ship distress alerting
transmit ship-to-shore distress alerting
receive message for public correspondence
transmit and receive locating signals
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财产清查是会计核算的一种专门方法。
马斯洛的人类需要层次论,将人的需要划分的层次有()
表示状态的物理量叫()。
节理按成因分类,可分为()。
校正后导向轮位置偏差前、后方向应不超过±()mm。
X线摄影中表示X线质的是()
()是指随着整个物流过程中信息的收集、加工、整理、传递、交流所产生的费用。
某柱下独立基础底面尺寸为4.8m×2.4m,埋深1.5m,如下图所示。土层分布自地表起依次为:黏土,厚度2.5m;粉质黏土,厚度2m;黏土,厚度4.5m。地下水位在地表下1.5m处。基础及基底以上填土的加权平均重度为20kN/m 3。 试问,在基底中心点下7.5m处土的竖向自重应力(kPa),与下列哪项数值最为接近?()
创造性思维的核心是( )。
各级气缸冷却水的温度一般不超过()度。
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