当高潮发生后,海面有一段时间停止升降的现象,称为。
A. 平潮
B. 转流
C. 转潮
D. ABC都对
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气团的地理分类自北向南依次为。
A. 北半球:冰洋气团、极地气团、热带气团、赤道气团
B. 南半球:赤道气团、热带气团、极地气团、冰洋气团
C. AB都对
D. AB都错
Which magnetic compass corrector(s)can be set while the vessel is on a heading of magnetic
A. Quadrantal spheres
B. Heeling magnets
C. Flinders bar
D. Fore-and-aft magnets
The articulated light is superior to other types of buoys because ______.
A. The radar reflectors reflect better signals
B. Fog horn signals travel farther to sea
C. It is equipped with strobe lights
D. It has a reduced watch circle
切变线是一种特殊的槽线,。
A. 一般近于东西走向,两侧有明显的气旋式风切变
B. 只出现于地面或500hPa图上,两侧的温度梯度不甚明显
C. AB都对
D. AB都错