duration spring 中文意思是什麼
duration spring
解釋
持續作用彈簧-
Mana spring totem : duration increased to 2 minutes
法力之泉圖騰：持續時間增加至兩分鐘。 -
Duration of ungrazing period in the spring affects the flourishing of the pasture vegetation, though not very vigorously
同時，禁牧期的長短對草原植被也有一定的影響，但是不顯著。 -
The main results are as follows : ( 1 ) in the most of places of naqu, the annual sunshine duration are more than 2550 hours and average wind velocity are higher than 4m ? s ^ ( - 1 ). ( 2 ) the sunshine duration in spring, summer, autumn, winter, growing season ( from may to september ) and a year all decreased in recent 40 years. ( 3 ) the wind velocity in winter decreased and the wind velocity in other 5 periods all increased. ( 4 ) the sunshine duration and wind velocity in 1990 ' s were smaller than that in 1980 ' s for all 6 periods. ( 5 ) the sunshine duration and wind velocity from 2000 to 2005 could continue to decrease
主要結果是：那曲大部分地區，年總日照時數大於2550小時，年平均風速大於4m ? s ^ （ - 1 ） ；近40年那曲地區春季、夏季、秋季、冬季、生長季（ 5 - 9月）和年6個時段的日照時數均呈減少趨勢；風速冬季呈減少趨勢，其它時段呈增加趨勢； 6個時段的90年代日照和風速都小於80年代； 2000 - 2005年日照時數和風速繼續減小的可能性比較大。
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