主干 stem

例句

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1.
The research suggests that to grow, they have to be able to export the hormone into the main stem.
这项研究提示说如果要生长，它们必须能够将这种激素输入主干之内。
www.unsv.com
2.
A device called a brain pacemaker implanted in the brain stem can send electrical impulses to specific parts of the brain.
有一种仪器被称为“引导者”（pacemaker）植入大脑主干，它能够发送电子脉冲到大脑特定的部分。
www.bing.com
3.
We must grab hold of the vine and keep following it back to its source until we reach the main stem.
我们必须抓住那根藤，不停地反向跟踪，直到找到主干。
bbs.fjnet.com
4.
The main stem, the main flow of the glacier is coming from the right and it's going very rapidly up that stem.
冰川的主干道，涌动的方向是从右边过来在主干道上变化得非常快。
www.ted.com
5.
The main stem of network upgraded, the branch of the network also should upgrade immediately.
网络主干升级了，网络的分支也应随之升级。
zhidao.baidu.com
6.
The main stem of a tree is a tapering geometric solid.
树木的主干是一种有消度的几何体。
www.kuenglish.info
7.
A bud is the part of a plant that becomes a flower, a leaf or stem.
花苞是指植物身上会变成花，叶子或是主干的那一部分。
www.remword.cn
8.
(of mosses) having the archegonia at the top of the stem.
（苔藓）主干顶端有颈卵器。
www.hotdic.com
9.
As compared to the forked-stem trees, the straight-stem trees were wider in DBH and taller in height.
若将主干分叉林木生长发育情形与主干单一者相比较，后者胸径较大且树高较高。
www.ceps.com.tw
10.
A slight tug on the diode stem will cause the fractured stem to separate from the chip exposing the fault.
轻拉二极管主干就将裂开的主干与芯片脱离，这个毛病就暴露出来了。
blog.sina.com.cn