【单选题】“只能在狭水道或航道内安全航行的船舶”是指:
C.
由于水深受限,致使其转向能力严重地受到限制的机动船
D.
由于可航水域宽度受限,致使其转向能力严重地受到限制的船舶
【单选题】“只能在狭水道或航道内安全航行的船舶”是指__。
C.
由于水深受限,致使其转向能力严重受限的机动船
D.
由于可航水域宽度受限,致使其转向能力严重受到限制的船舶
【判断题】我不挑食,什么饭都吃。 .مەن زادىلا تاماق تاللىمايمەن، مەيلى ھەرقانداق تاماق بولسۇن يەمەيۋېرىمەن
【简答题】Thousands of villages in the developing world have no telephones. They have no money to build telephone systems. A new kind of technology may help change this situation. I t reduces the cost of buildi...
【简答题】A.The poor are unemployed. B.All the poor have no land. C.The poor have no houses in big cities. D.There is no hope for the poor in the village.
【单选题】下列关于元件和元件库的叙述 , 不正确的是
B.
元件从元件库拖到工作区就成了实例 , 实例可以复制、缩放等各种操作