Leaves, brown with long immersion, rose to the surface and vanished back into the depths.
长时间浸泡而成褐色的叶子浮上了水面，又消失在了水的深处。
I bobbed to the surface and gasped a lungful of air.
我浮上水面，深吸了一口气。
These developments have caused major changes like additional erosion of the Earth's surface and deforestation.
这些发展导致了重大变化，如地球表面的进一步侵蚀和森林砍伐。
For this reason, Chang'e 4 will study the effect of solar winds on the lunar surface and any mineral found by the spacecraft.
出于这个原因，嫦娥四号将研究太阳风对月球表面的影响，以及航天器发现的任何矿物。
The mantle's motions, analogous to those in a pot of boiling water, cool the mantle by carrying hot material to the surface and returning cooler material to the depths.
地幔的运动类似于一壶沸水的运动，它把热的物质带到表面，再把较冷的物质带到深处，从而使地幔冷却。
Larger ones rise quickly to the surface and disappear, whilst smaller ones called micro-bubbles can last for days.
较大的气泡迅速上升到水面并消失，而被称为微气泡的较小的气泡可以持续数天。
Manatees, aquatic mammals inhabiting Florida's rivers and coastal waters, swim close to the surface and are frequently killed in collisions with boats.
海牛是生活在佛罗里达河流和沿海水域的水生哺乳动物，它们游到海面附近，经常在与船只相撞时被撞死。
Once Earth had gone through the final stages of its formation, gases bubbled to the surface and were held by Earth's gravitational field to form the atmosphere.
一旦地球经历了其形成的最后阶段，气体就会鼓泡到地表，并被地球的重力场控制，形成大气。
F I have my surface and I have my vector field f.
有一个曲面，还有一个向量场。
You have a surface and there is somehow no gaps in it.
你有一个曲面，上面没有缝隙。
Otherwise the water runs off the surface and gets wasted.
否则水就从土壤表面流失浪费了。
As a result, the surface and the lower atmosphere warm up.
因此，地表和低层大气的温度相应升高。
Different species of these lived at the surface and the bottom of the ocean.
这种生物的不同种类生活在海洋的表面或底部。
The heterogeneous catalyst first attracts the salt to its surface and holds it there.
多相催化剂先将盐吸附在它的表面并使它固定在那里。
To do this automatically, select the diagram surface and show the Properties pop-up window.
为了自动实现这一点，您可以选择图表表面并显示Properties弹出窗口。
The dunes arise from a complex relationship between the sandy surface and high winds on Mars.
沙漠表面和火星疾风之间复杂的关系导致了沙丘的隆起。
The intention was to get close, fire a projectile into the surface and grab some of the ensuing dust.
它原定目标是接近这颗小行星，发射一抛射物（探测器）进入小行星表面，从而捕获扬起的尘埃。
It can measure light so sensitively as to see through the top paint surface and uncover the layers below.
这款相机可以精确地测量亮度，能够透过表层“直视”下面的层次。
A key to the improved throughput was reducing the separation between the hot surface and the conversion device.
这种改进型处理能力的关键是降低了热表面与转换装置之间的间隔。
The surface and the atmosphere form a giant battery, as the lightning discharges of thunderstorms demonstrate.
就像在暴风雨中闪电释放大量电能所证明的那样，地表和大气层间形成了一个巨大的电池。
New Horizons' infrared observations may provide insight into the composition of the moon's surface and interior.
“新视野”号的红外探测仪会提供这颗卫星表面和内部成分的更多细节。
Well, the question we have now is what is the area of this little piece of surface and what is its normal vector?
现在的问题是，曲面上这一小块儿的面积是什么，及其法向量是什么？
Vector dS is a vector which points perpendicular to the surface and whose length corresponds to the surface element.
向量dS与曲面垂直,并且它的长度与面积元素有关。
It is now just 70 metres from the surface and islanders are already trying to come up with a name for the new island.
现在它距离海平面只有区区70米，岛上居民已经试着给将要出现的小岛起名字了。
Concerns include the degradation of surface and groundwater owing to poultry waste nutrients and pathogenic microorganisms.
令人担忧的问题包括家禽粪便养分和病原微生物造成的地表水和地下水退化。
Concerns include the degradation of surface and groundwater owing to poultry waste nutrients and pathogenic microorganisms.
令人担忧的问题包括家禽粪便养分和病原微生物造成的地表水和地下水退化。
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