Another way of countering drought is to have a limited amount of mass above ground and to have extensive root networks below ground.
对付干旱的另一种方法是在地面上种植特定数量的植物，并且确保地下有广大的根系网络。
It has a solid amount of mass to it, but isn't so heavy that you will get tired of holding it upright while watching a movie or recording one.
它包括很多硬件，但是并不是特别重；竖直拿着它来看电影或记录时不会感到累。
He decided that the strength of the force keeping a planet in orbit around the sun depended on two things. One was the amount of mass in the planet and the sun. The other was how far apart they were.
他认为，让一颗行星在其轨道上环绕太阳运转的力量源于两种东西，一是行星和太阳的质量，二是他们之间的距离。
Do your best to create some of the best sites on the web with the small amount of resources you possess in conjunction with a mass amount of personal drive to create beautifully functional designs.
尽量运用你拥有的少量资源结合你个人天马行空无边无际的创意和动力，去创造一些优美的功能强的设计，创造一些网络上最优秀的站点。
It has about 40 times the mass of our sun and gives off 330,000 times the amount of light.
它拥有大约40倍太阳质量，并散发出相当于太阳330,000倍的光量。
It has about 40 times the mass of our sun and gives off 330, 000 times the amount of light.
它拥有大约40倍太阳质量，并散发出相当于太阳330,000倍的光量。
The team used a model to estimate the surface mass balance of ice and the amount of ice discharged.
研究团队运用一种模型来评估冰层表面物质平衡与冰流量的关系。
The amount of angular momentum, say, a spinning skater has depends on both the speed of rotation, and the weight and distribution of mass around the center.
角动量的大小，取决于旋转中的滑冰选手的旋转速度、体重和绕旋转中心的质量分布。
The amount of heating (measured by looking at the X-rays emitted by the extremely hot gas) depends on the mass of the cluster, and can be used to estimate how much stuff is there.
热量的多少(可以通过查看极高温气体发出的X射线进行测量)取决于星系团的质量，而这个数据能够用于估计气体所在处有多少物质。
General relativity predicts that the wavelength of this light will be shifted by a small amount due to the galaxies' mass, in an effect called gravitational redshift.
广义相对论预言这种光的波长会因这些星系的质量而有少量的偏移，这种效应称为引力红移。
It has long been known that the amount of muscle in the body is related to bone growth, but the new study shows that fat mass is also important in building bone, particularly in girls.
众所周知，人体的肌肉与骨骼生长密切相关。最新研究显示，脂肪组织同样对骨骼发育起着重要的作用，而且这一作用在女孩子身上尤为明显。
The researchers used water and an ultrasonic extraction process, followed by gas chromatography-mass spectrometry to quantify the amount of cocaine in more than 230 bills collected in 17 cities.
研究人员从17个城市收集到230张纸币样本，并使用水和超声波提取方法，再加上气相色谱分析-质谱法对样本进行测试。
The researchers used a focused beam of caesium ions to dislodge molecules of water from the inclusions and measured the amount with a mass spectrometer.
研究人员用聚焦的铯离子束将水分子自包裹体中打出并用质谱仪测量其数量。
Sina has spent a considerable amount of time to understand microblog as a form of mass public media instead of a communication tool.
新浪曾经花费了相当多的时间去体会作为公共媒体的微博代替即时通信工具。
Weight training increases lean muscle mass, which raises the amount of calories your body USES, even when you're at rest.
举重训练能够增大肌肉量，从而使身体需要更多的卡路里，即使是在休息的时候。
Gravity's strength depends on an object's mass, or amount of matter.
引力的力量的大小，取决于物体的质量，或物质的总量。
The wall has an infinitely large mass, but the momentum of this tennis ball 2mv has changed by an amount 2 mv.
墙壁的质量无限大，但是网球的动量,改变了。
There's a critical mass where the amount of time spent on getting everybody to communicate starts to overwhelm the amount of time that can be spent on actually getting code produced.
有一个临界质量，花费大量的时间让大家交流开始压倒，可用于实际的代码产生的时间。
The amount of energy that a flywheel will store for a given change in speed depends on its inertia, which, in turn, depends on its mass and its effective diameter.
由于速度的特定变化飞轮存储的能量大小取决于其惯性，其惯性反过来取决于飞轮的质量与有效直径。
As the amount of damages of the mass tort as always very high, the infringe enterprise often faces bankruptcy after paying a large amount of infringement compensation.
由于大规模侵权损害赔偿的数额往往很高，企业发生大规模侵权案件之后往往面临破产的境地。
The mass of the object, the amount of matter it is made of, does not change.
物体是由物质组成的，物体的质量就是物质的总量，并不会改变。
The Model 7011-C version is not recommended for this application because the added coupling due to this card's mass-terminated connectors may cause an un acceptable amount of error.
在这类应用中不建议使用7011-C型开关卡，其接线头连接器引起的耦合会产生不可接受的误差。
Ocean technology investigation and observation are providing great mass of following ocean technology information together with a great amount of ocean data.
大量海洋调查与观测数据获得的同时，也产生了大量的海洋技术信息。
The drop in capacity is caused by the lessening amount of refrigerant mass moved through the compressor at one time.
加热能力的降低是由压缩机中一次流过的致冷剂质量的减少所致。
One, known as the geodetic effect, is the amount by which the mass of the Earth will.
一方面，大家都知道的测量效应，探测器接近受地球质量影响的局部时空。
When a structure vibrates in water, large amount of computation will be unavoidable if the fluid finite element method is used to calculate the added water mass matrix and damping matrix.
当结构在静水中振动时，如采用流体有限元来计算流体的附加质量和附加阻尼，势必导致解题规模过大。
The supported nickel catalyst was prepared in which basic oxides and transition metal oxides were added as promoter, and all the oxides in amount were less than 30% of the mass of catalyst.
制备了负载型镍催化剂，并加入碱性和过渡金属氧化物助剂，各种氧化物总负载量低于催化剂质量的30 %。
Photonshave no mass but they still impart momentum when they strike an object... it's a tiny, tiny amount of momentum.
光子没有质量，但是当它们碰撞到物体时仍然会传输动量。这是一种非常微小的动量。
Photonshave no mass but they still impart momentum when they strike an object... it's a tiny, tiny amount of momentum.
光子没有质量，但是当它们碰撞到物体时仍然会传输动量。这是一种非常微小的动量。
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