tree height中文什么意思

例句与用法

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1. By using the total station , the accuracy of tree height measurement can reach 1 / 1400 ; that of volume measurement can reach 1 / 200
   由于全站仪的自动化程度很高，可与数据采集器实现数据的实时通讯，提高工作效率。
2. Birds boost tree height up to 33 percent by munching on pesky parasites that can literally suck the life out of the tall - growing plants , a new study shows
   根据一项新研究显示，鸟儿嚼食讨厌的寄生虫，可以促进树木的高度增加达33 % ，因为寄生虫会把树木的生命力吸食殆尽。
3. A medium - thick shelterbelt can reduce wind velocity by more than 10 percent to a distance of 20 times the tree height on the leeward side and three times the height to the windward
   中等厚度的防风林在背风侧可在20倍于树高的距离而在迎风侧则在3倍于树高的距离上减小风速10 %以上。
4. Total station , an electronic precise geodesic instrument , has been used in surveying forest area and tree height from 1990s in many developed countries , such as u
   摘要全站仪是一种电子精密测量型工具，自20世纪90年代中期后，美、英、德、日等国在林地面积测量、树高测量中初步使用全站仪。
5. Result showed that different waterlogging depths have obvious effects on tree height , diameter at breast height , under branch height , trunk morphological structure , stem base form , and growth process
   结果表明：不同水分条件对池杉的树高、胸径、枝下高、干形、树干基部形态及生长过程均产生明显的影响。