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1.You can ease back(ease back on) the stick and gain a little height.
你可以把操纵杆向后拉一拉，让飞机飞高一些。收藏指正
2.We’re flying too fast, so I’ll ease back on the stick and gain a little height.
我们飞得太快了，我要把操纵杆拉回一点以增加高度。收藏指正
3.Evaluated with the values of principal genetic index based on height, diameter and single volume, Guizhou Ge, Guizhou Jiao, Guizhou Ang, Yunnan Longling and Guizhou Dan were found to be elite provenances. The genetic gain of single volume was 26 33% and the actual gain was 30 75%.
用主成分遗传指数得分值综合树高、胸径、材积性状评价种源 ,优良种源有贵州格、贵州交、贵州昂、云南龙陵、贵州丹 ,单株材积遗传增益为 2 6 33% ,实际增益为 30 75 % .收藏指正
4.According to the details of 160 sample trees of Alnus cremastogyne,five factors such as age(x 1),DBH(x 2),height(x 3),under branch height(x 4),and crown breadth(x 5)were measured and thought to be following variable,with the standing tree volume(Y)as basic variable,the gain model were established.
根据 16 0株样木资料 ,以年龄 (X1)、胸径 (X2 )、树高 (X3 )、枝下高 (X4 )、冠幅 (X5)为说明变量 ,建立以立木干材材积 (Y)为基准变量的收获模型。收藏指正
5.The growth of all the progenies from the clones in the seed orchard have exceeded those from their plus trees in plantations,having an average gain of 9.1%(4.7%~14.1%) for height and 14.5%(9.9%~23%) for DBH.
树高增长9.1%,胸径增加14.5%。收藏指正
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