That's why telomeres are present at the ends of DNA strands.
这就是为什么端粒出现在每一串DNA的端部。
Service fee for one person even if Both of them are present at the Job Site.
即使是交接工作的两位技术人员都在现场，买方只负担一人的技术服务费用。
Heckman points out that big gaps in educational attainment are present at age 5.
海克曼指出受教育程度的巨大差距在小孩5岁的时候就显现出来。
Good because it shows we have many quality players who are present at the big international games.
好的方面是这说明了我们有很多有实力的球员，他们出现在国际大赛上。
When a DTC is set, you must check a wiring diagram to see which wires are present at the controller.
当一个DTC设置时，您必须检查相关线路，去查看哪些线路出现在控制器所涉及的范围内。
The Buyer shall pay Technical Service fee for one person even if Both of them are present at the Job Site.
即使是交接工作的两位技术人员都在现场，买方只负担一人的技术服务费用。
But it is not known whether these differences in brain are present at birth or if they occur over a lifetime.
但脑丘体的差异是在出生时就存在，还是在日后的生活中形成的，并没有定论。
If several of these conditions are present at the same time, a person's body temperature may rise above safe levels.
如果上述情况同时出现，那一个人的体温也许会超出安全水平。魋。
These stages are present at different times and each person has their own way of reacting in the stages of culture shock.
文化冲击的这五个阶段在不同的时间段和针对不同的个人时都可能有不同的表现方式。
Renal cyst: Any of several types of cysts in the kidneys. Some are present at Birth; others are caused by tubular obstruction.
肾囊肿：肾内几种不同的类型囊肿。或为先天性，或为肾小管梗阻所致。
Open the TestWebServiceMappingRegistry.rb file, and ensure that the following lines of code are present at the top of the file in the correct order.
打开Test WebServiceMappingRegistry . rb文件，并确保在文件顶部以下代码行以正确的顺序显示。
It is encouraging to see that a number of international agencies are present at this Forum and we hope that they will continue to lend their support.
令人鼓舞的是，有许多国际性的组织机构参与了本次论坛，希望他们一如既往继续支持。
Patchy, highly textured cumulus clouds are present at lower altitudes, while grey altostratus clouds are stretched out by prevailing winds at higher altitudes.
片状、高质感的积云出现在低海拔的位置，而在高海拔，灰色的高层云被盛行的风所吹散。
Insects and pathogens are integral components of forest ecosystems and normally are present at a relatively low density, causing little damage, and having negligible impact on tree growth and vigour.
昆虫和病原体是森林生态系统的固有成分，通常其密度相对较低，所造成的损害较小，对树木生长及其活力的影响微乎其微。
Services need to be organized more effectively than they are at present.
服务需要比现在更有效地被组织起来。
At present, Reebok shoes are available in about five thousand retail stores in the United States.
目前，锐步鞋在美国大约5000家零售店有售。
It's not possible to go upstairs at present as builders are working there adding another floor, but the rest's well worth seeing.
目前是不可能上楼的，因为建筑工人正在那里加建另一层楼，但其余的都值得一看。
At present, many new workers are being trained and in six months they will be sent to build a new railway.
目前，许多工人正在接受训练，六个月后他们将会被送去建造一条新的铁路。
You could look for fireflies now and report your findings, but chances are slim that any will still be present at this time of year.
你现在可以寻找荧火虫，报告你的发现，但在每年的这个时候还能看到它们机会是非常小的。
At present there is no way to predict or avoid such enormous avalanches, but, luckily, they are very rare.
目前还没有办法预测或避免如此巨大的雪崩，但幸运的是，它们非常罕见。
Wetlands are areas of marshy, swampy land, areas where water covers the soil, or is present either at or near the surface of the soil for a large part of the year.
湿地是指多沼泽的区域，软而湿的陆地，一年中的大部分时间有水覆盖着土壤、或是有水存在于土壤表面或接近土壤表面的地方。
Present-day glaciers are found in Antarctica, in Greenland, and at high elevations on all the continents except Australia.
现在的冰川在南极洲、格陵兰岛和除澳洲以外各洲的高海拔地区都可以看得到。
We are in times of difficulty at present.
我们目前处于困难时期。
At present, there are more and more visitors coming to Sanxingdui.
目前，越来越多的游客来到三星堆。
At present there are many online courses and we can choose some to study by ourselves.
目前有很多在线课程，我们可以自己选择一些来学习。
At present, over two thousand kinds of cicadas are distributed (分布) around the world.
目前，分布在世界各地的蝉类超过2000种。
The beans of this kind are sold in only a few coffee shops in Shanghai at present.
这种咖啡豆目前在上海只有几家咖啡店出售。
Many things in the country are now waiting to be done, but at present they are not able to do the things all at once.
这个国家现在是百废待举，但目前他们还不能做到百废俱兴。
At present, consumers are often misled by the speeds that operators promise to deliver.
现在，消费者经常会被一些经营商承诺的网速所误导。
However, the alternatives to PVC could likewise grow in volume in the future, making them less expensive and more competitive than they are at present.
然而，PVC的替代产品在将来也会达到大规模生产，这会让它们比现在更便宜也更有竞争性。
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