对于为什么树线以上的树木会突然停止生长，至今还没有一个公认的解释。
There is still no universally agreed-on explanation for why there should be such a dramatic cessation of tree growth at the upper timberline.
一些生物学家假设，如果一株植物处在另一株植物的荫蔽下，它就会停止生长，当它感知到红光与远红光的不寻常比例时，反应就会触发。
Some biologists hypothesize that a plant will stop growing if it's in the shade of another plant, a reaction that's triggered when it senses an unusual ratio of red light to far-red light.
一旦这些植物耗尽它们储存的水或者用完地下水源，它们就会停止生长并开始死亡。
Once these plants use up their stored reserve or tap out the underground supply, they cease growing and start to die.
一个两端停止生长页中间开始生长的人。
A person who has stopped growing at both ends and started to grow in the middle.
植物进入休眠的第一个征兆是停止生长。
The first sign that a plant is entering dormancy is that it stops growing.
然而在大约12岁时，侏儒便停止生长。
每个人15岁左右的时候，大脑就停止生长了。
茶杯所生产的小狗在5至8个月的年龄会停止生长。
Teacup bred puppies will stop growing at 5 to 8 months of age.
测定结果表明，鹿茸从脱盘到停止生长约为120天。
The results showed that the period from antler shedding to stoping growth was about 120 days.
因此，生长环证明了恐龙在冷的时候生长缓慢甚至停止生长。
These growth rings are evidence that dinosaurs stopped growing or grew more slowly during cooler periods.
由于低温导致大白菜受到伤害，生长速度减慢，甚至停止生长。
Under low temperature, Chinese Cabbage is injured and its growing rate reduces, sometimes even stopping growing.
心脏从没有停止生长，这是来自斯德哥尔摩的振奋人心的消息。
The heart-stopping news from Stockholm is that the heart never stops-growing, that is.
你的眼睛在出生时就已完全成型，但相对的，你的鼻子和耳朵却从未停止生长。
Your eyes are full-size at birth, but your nose and ears, on the other hand, never stop growing.
阻止编码肝脏中仅通过癌细胞产生蛋白质的信使RNA，肿瘤便相继停止生长。
Knock out the mRNAs coding for those proteins-which in the liver are produced only by cancer cells-and the tumor stops growing.
相反，肉瘤(影响结缔组织)没有凋亡但是呈老化状态或停止生长。
In contrast, sarcomas (which affect connective tissues) did not undergo apoptosis but went into a state of senescence, or no growth.
细胞激素是“传导信号”的微小蛋白质，可能会导致细胞停止生长。
Cytokines are small "signaling" proteins that can cause cells to stop growing.
之后，手指之间地方的细胞停止生长或者死亡，然后形成五根手指。
Then, in the places between your fingers, cells ceased growing or died, and growth was directed to the five digits.
塔特玛的情况十分罕见，她的寄生双胞胎在她出生后就停止生长了。
Lakshmi has an extremely rare condition in which her parasitic twins stopped developing after birth.
刘的手指停止生长在最近几年，所以整形外科是在去年可能纠正畸形。
Liu's fingers stopped growing in recent years so plastic surgery was at last possible to correct the malformation.
每根头发都有它自己的生长周期，生长6-8年后，停止生长几个月，然后脱落。
Each hair contains its own growth period, grows after 6-8 years and stops growing for a few months, then sheds off.
这可能缩短你的头发生长周期，使得头发在脱落前只长到某一长度就停止生长了。
This can cut your hair's growing cycle short so the hair will only grow to a certain length before shedding.
肿瘤细胞系停止生长，这一发现强调了蛋白质在抑制肿瘤形成中的作用，该团队说。
The tumor cell lines stopped growing, a finding that underscores the protein's role in curbing tumor formation, the team said.
每根头发都有它自己的生长周期，生长6- 8年后，停止生长几个月，然后脱落。
Each individual strand of hair has its own cycle, growing for six to eight years, resting for a few months, and then shedding.
任何次系统，例如经济，必然会在某个时刻停止生长，达到动态平衡，就好像静止一般。
Any subsystem such as the economy must at some point cease growing and adapt itself to a dynamic equilibrium something like a steady state.
即使父本花粉管进入母本柱头，因生长缓慢，沉积胼胝质，在花柱中受抑制而停止生长。
Secondly, if pollen tubes entered into stigma, growth was retarded with callose plug deposition, then they stopped to grow because of inhibition.
尽管儿童时期学习是相对容易一些，但神经科学家现在知道大脑不会停止生长，即使在晚年。
While it is often true that learning is easier in childhood, neuroscientists now know that the brain does not stop growing, even in our later years.
乙醇总是减缓酿酒酵母的生长代谢速率，当乙醇浓度达到完全抑制值KP时细胞就停止生长。
Ethanol always slowed down the metabolism rate and inhibited growth of the yeast cell totally at the concentration of KP.
巨峰葡萄色素苷在果粒软化前增长甚慢，软化时开始上色，至纵、横径停止生长后增长加快。
Ocnin content in Jufeng grape fruits increases slowly before fruit softening, grape fruits begin to colour at softening, after fruits stop getting bigger fruits colour very fast.
巨峰葡萄色素苷在果粒软化前增长甚慢，软化时开始上色，至纵、横径停止生长后增长加快。
Ocnin content in Jufeng grape fruits increases slowly before fruit softening, grape fruits begin to colour at softening, after fruits stop getting bigger fruits colour very fast.
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