Age - related macular degeneration is a progressive disease of the macular that is related to aging 老年性黄斑点退化就是指黄斑点随著年龄增长而逐渐萎缩及退化的情况。
In situ studies on the time - dependent degradation of recombinant corn dna and protein in the bovine rumen 牛瘤胃中的关于再组合玉米dna和蛋白质的非定常退化的原处研究。
To rehabilitate degraded ecosystems and promote the recovery of threatened species where practicable 在切实可行的情况下，重建已退化的生态系统，并促进受威胁物种的复原；
Now , thanks to a robot , marin can open a door . his atrophied left arm isn ' t completely useless anymore 现在多亏了机器人，马林可以开门了，他那机能退化的左手不再毫无用处了。
Finally , we give a simple condition for nondegeneracy of symmetric bilinear forms on infinite dimensional vector spaces 最后，我们给出有限维向量空间中对称双线性型非退化的简单条件。
Canada has successfully addressed this problem , and reduced and in many cases reversed the effects of land degradation 加拿大已成功解决了这一问题，减少并在某种程度上逆转了土地退化的影响。
The exact cause of age - related macular degeneration is still unknown , and researches have identified the following risk factors 暂时老年性黄斑点退化的病因不详，研究发现发病率与以下因素有关
In view of the different contributions to global environmental degradation , states have common but differentiated responsibilities 鉴于造成全球环境退化的原因不同，各国负有程度不同的共同责任。
But old age withers all men ' s minds alike , and at a faster rate than women ' s , according to prof elizabeth maylor 不过，所有男人上了年纪后，心智都会退化，而且比女人退化的速度还快，梅勒教授指出。
The bogdanov - takens bifurcation is studied when there is a unique degenerate positive equilibrium . lastly , we make a numerical analysis 对退化的唯一正平衡点进行研究，得到了bogdanov - takens分支，分支出同宿圈。
