The hill appeared as a black mass in the distance.
远远地看去，那座山是黑魆魆一片。
One couldn't make out what the dark mass was from a distance.
远处黑压压的一片，看不清是些什么东西。
The scientists used the Hubble to figure out the direction of the star's travels and the distance from the galactic center, along with the star's mass, age and speed.
科学家们利用哈勃望远镜计算出该恒星行进的方向和离银河系中心的距离，连同他的质量、年龄和速度一起计算。
Newton realized that a planet's orbit depends on its mass and its distance from the Sun.
l牛顿告诉我们，行星的运行轨迹决定于它自身的质量和它与太阳之间的距离。
Telescopic surveys usually reveal just basic information about an extrasolar planet's minimum mass, its distance from its parent star, and whether it is likely to be gassy or rocky, like Earth.
望远镜观测通常仅仅能提供关于某颗系外行星的基本信息，诸如最小质量、与母恒星的距离、以及是否更可能是气态的或者像地球那样是岩石质的。
There's some distance left before Linux becomes a popular replacement for the mass market.
离Linux在大众市场真正流行还有一段距离。
When appropriate transducers are installed, it may be applied to the measurement of distance, depth, average flow velocity and mass flow rate.
在配备相应的传感器后，可用以测量平均流速、流量及距离、深度等。
To sustain life, a planet must have a mass similar to that of earth, liquid water on its surface, an atmosphere and a similar orbital distance from its star as that of the earth from the sun.
要让一颗行星支撑生命它必须有和地球相似的质量、表面液态水、大气以及它和自己的恒星的距离要类似地球和太阳之间距离。
Newton proved his idea by measuring how much gravity force would be needed to keep the moon orbiting the Earth. Then he measured the mass of the Earth and the moon, and the distance between them.
牛顿要通过测量月球按轨道围绕地球运转需要多大的力量，来证明他的理论，于是，他测量月球和地球的质量，以及他们之间的距离。
The maximal speed is primarily confined by descending rate when landing mass is low and confined by arresting distance when landing mass is large.
对于最大着舰速度，当着舰质量较小时主要由着舰下沉速率准则决定，当着舰质量较大时主要由拦阻距离准则决定。
This unexpected result indicates that the falloff in luminous mass with distance from the center is balanced by an increase in nonluminous mass.
这个意外的结果表明随着远离核心，发光物质逐渐减少，不发光物质逐步增加，最终两者达到了平衡。
Using the single mass-spring model, we study the gaits of a hopping robot for the purpose of minimizing the loss of energy per unit distance covered and present our expressions of energy consumption.
基于单质量-弹簧模型，研究了能够使弹跳机器人单位距离能量损失最小的步态，给出了能量的消耗表达式。
Torsional and lateral vibration of a high-rise building with L shape plan under earthquake will couple because of large distance between center of stiffness and center of mass.
平面L形高层建筑结构的刚度中心与质量中心偏离较大，在水平地震作用下平移振动与扭转振动扭耦合。
Besides, the effect of distance of two surfaces on mass transfer efficiency and separation efficiency is quite week whether taking inert partial pressure into consideration or not.
当残留惰性气体压力较低和不考虑其分压时，蒸发面和冷凝面间距对传质效率和分离效率的影响都不大。
Night enshrouding the earth, nobody could make out what the dark mass was from a distance.
黑夜笼罩着大地，谁也看不清远处黑压压的一片是什么东西。
By analyzing the experimental results, the trend line of the efficient shock wave energy per unit mass decayed with the scale distance was obtained.
通过对试验结果进行分析，拟合得到了有效比冲能随距离变化的趋势线。
On the basis of above results, the mutual relationships among temperature, molten pool depth, mass transfer distance, parameters of the laser and properties of materials were carefully discussed.
根据计算结果，分析了温度、熔覆深度、界面传质过程与激光参数、材料性质及时间的关系。
When the distance between the mass center of liquid and the mass center of flight vehicle is large, the influences to rocket flight ballistics become serious, which even induce flight instability.
当充液质心与飞行器质心的距离较大时，对飞行器弹道的影响较严重，甚至导致飞行不稳定。
Tensile strength was found to decline with increase of the ratio of average chord lengths of the two phases (L1/L2) and mass center distance (D).
结果表明，当分散相一定时，拉伸强度随两相相对尺寸的增大和分散相颗粒相关性的减弱而减小。
Tensile strength was found to decline with increase of the ratio of average chord lengths of the two phases (L1/L2) and mass center distance (D).
结果表明，当分散相一定时，拉伸强度随两相相对尺寸的增大和分散相颗粒相关性的减弱而减小。
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