Ozone forms a protective layer between 12 and 30 miles above the Earth's surface.
臭氧在距地球表面12至30英里的地方形成一个保护层。
The birch tree has white bark, and this tough protective outer layer of the tree, this white bark, is waterproof.
桦树有白色的树皮，树上这个坚硬的保护外层，这个白色的树皮，是防水的。
Varnish is the glossy protective layer applied to wooden furniture and other surfaces.
清漆是用于木质家具和其他表面的光滑的保护层。
The weight of these tubes holds the protective layer in place, while the gaps between the tubes permit the overspill to escape.
这些装满水的管子的重量足以固定住这些保护层，漫出堤坝的河水可以在粗管间溢过。
Then they often follow that with a sprinkling of dust to create a protective layer of dirt on their skin (think elephant sunscreen!)
然后会再洒上少量尘土，在皮肤上形成一个尘土的保护层(大象也防晒吧！)
Too much exfoliating removes the top layer of the skin, which is the protective layer.
使用过多去角质的产品会除掉皮肤的表层，也就是保护层。
One reason for the rise in sunburn could be the hole in the ozone layer - the protective layer that shields the Earth from the sun's harmful ultraviolet rays.
晒伤增多的一个原因可能是臭氧层空洞，而臭氧层是保护地球不受太阳紫外线危害的保护层。
Since the 1970s, scientists have known that the protective layer is being depleted by manmade gases, in particularly the CFCs once used in aerosols .
自从20世纪70年代以来，科学家就知道这一保护层一直被人造气体损耗，特别是曾用于喷雾剂的氯氟烃。
There should be put in the box at the bottom of the box as a protective layer.
还有放入之前应该用一下纸放在箱子底部作为保护层。
In this paper, a new technique of protective layer excavation of horizontal foundation was expounded and applied to the construction of Lijiaxia hydropower station.
本文是水平建基面保护层一次爆破开挖新技术在李家峡水电站工程的应用实例。
With excellent light reflectance and weather resistance, have to save energy, which makes protective layer can be.
具有优良的光线反射能力和耐候性，有利于建筑节能，其上可不做保护层。
You can choose to end the destruction of your rain forests tomorrow. You can choose to stop depleting the protective layer hovering over your planet.
你们可以选择明天便中止你们对雨林的破坏。你们可以选择停止耗竭盘旋在你们星球上空的保护层。
(botany) outer tissue of bark; a protective layer of dead cells.
(植物学)树皮组织外部的；由死细胞组成的保护层。
During construction and after construction, effective measures should be taken to prevent rain washing and sun exposure, and protective layer should be made in time.
施工时及施工后，应采取有效措施防止雨水冲刷及烈日暴晒，并应及时做保护层。
The calculation method about the minimum lining thickness of concrete protective layer is given in the cold region.
提出了寒区混凝土防护层渠道最低衬砌厚度的计算方法。
The protective layer of the side wall waterproof layer and waterproof layer should be closely combined, the thickness of the protective layer shall comply with the design requirements.
侧墙卷材屋顶防水层的保护层与屋顶防水层应结合紧密、保护层厚度应吻合设计要求。
Thic coat serves as an adhesive between cells and as a protective layer .
这一层负责细胞间的连接，并作为细胞的保护层。
Thic coat serves as an adhesive between cells and as a protective layer.
这一层负责细胞间的连接，并作为细胞的保护层。
The method is to coat a wafer of silicon with a protective layer of silicon dioxide.
其方法是往硅片上涂上一层二氧化硅防护膜。
The lead wire and its protective layer of the sensor shall be of one-piece construction, and its connection with variable conveying module shall subject to the Manufacturer's standards.
传感器引线及其保护层应为一体化结构，与变送器模块的连接应采用厂家提供的标准。
The analysis of the experimental results shows that the desirable thickness of metallic protective layer can be obtained by this method, and the temperature sensitivity is improved too.
通过对实验结果的分析，表明这种方法不仅可以获得厚度理想的金属保护层，同时可以提高光纤光栅的温度灵敏度。
Kitchen and toilet: Construct up to the waterproof protective layer, preserve pipeline interfaces.
厨房、卫生间：施工至防水保护层，预留各种管线接口。
The advantage of this method consists in the fact that neither a protective layer nor creep properties are necessary and that question about clastic or plastic deformation can be avoided.
它的优点在于不必给试样单面施加抗氧化涂层，不需要研究材料的蠕变性质，也不必讨论试样的形变属于弹性形变还是属于塑性形变。
This paper introduces the rock acoustic wave test in protective layer of dam foundation in Fenhe Secondary Reservoir and conducts more detailed analysis on the test result.
文中介绍了汾河二库基坑保护层开挖中对基岩的声波测试，着重对测试结果进行了较详细分析。
One of the most disturbing aspects of the changes in Earth is the rate at which chemical pollutants produced by human activity are destroying the protective layer of ozone in Earth's upper atmosphere.
地球上的变化最令人烦扰的方面之一，是人类活动所产生的化学污染正在迅速破坏地球上部大气圈臭氧保护层。
Because the protective layer is too large, the steel mesh can not play the role of anti crack, the protective layer is too small, easy to cause the cracks in the bridge deck pavement.
因为保护层过大，钢筋网起不到抗裂作用，保护层过小，容易引起桥面铺装裂缝。
Because the protective layer is too large, the steel mesh can not play the role of anti crack, the protective layer is too small, easy to cause the cracks in the bridge deck pavement.
因为保护层过大，钢筋网起不到抗裂作用，保护层过小，容易引起桥面铺装裂缝。
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