研究结果表明:OLR月平均距平场的变化与TC在华南地区的活动具有一定的遥相关关系;
The results show: (1) There are some teleconnection relations between the changes of the monthly mean OLR departure and the impact of the TC in southern China;
它每4.7天环绕恒星一周,其轨道为一个适度的椭圆,平均距离仅0.04个天文单位(为水星距太阳的十分之一)。
It orbits its star every 4.7 days, in a moderately elliptical orbit at a mean distance of only 0.04 AU (one tenth of Mercury's distance from the sun).
债券平均评级已经从1981年的A滑落至如今的BBB -,距垃圾债不过一步之遥。
The average bond rating fell from a in 1981 to BBB - today, just one notch above junk status.
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