The moon's gravity is a sixth as strong as the earth's, so Chang'e-4's experiment was a test: would the earth plants know which way was up on the moon?
月球的引力是地球引力的六分之一，所以嫦娥四号的实验是一个测试：地球上的植物能知道月球上哪个是向上的方向吗？
The mission was planned as a low-Earth orbit to test the Lunar Module, the lander later used by Apollo 11 and subsequent missions to land on the moon's surface.
他们的使命只是做地球低轨道飞行，以测试月球舱和阿波罗11号以及以后的登月任务所使用的登月舱。
Making a splash: Engineers conduct a water-drop test of Orion, which will land in the sea when it returns to earth.
轰动消息：工程师们在对返航时将会在海上着陆的“猎户号”进行水滴测试。
That test spread debris in an area around the Earth filled with other satellites, endangering those machines.
这次试验产生的碎片散布在绕地轨道的某个布满卫星的区域中，给那些卫星带来的危险。
It is also a test for new technology which could be used to return other space samples to Earth in the future.
这也是对未来用作回收其他太空样本返回地球的新技术的一次验证。
The aim of this flight was to test the new shuttle system, to go safely up into orbit and to return to the Earth for a safe landing.
这次飞行的目的是为了测试新的航天飞机系统能否安全的进入轨道和安全的返回地球着陆。
Is there any relationship between the date of the EAS test and the passage of an asteroid passing between the Earth and Moon?
紧急报警系统测试的日期与小行星从地球和月亮之间穿过之间有什么关系么？
Let us test Kepler's third law for the orbit of Uranus compared with that of earth.
让我们比较天王星和地球的轨道，来检验一下开普勒第三定律。
The rest of us humans are outside, but inside the test tube of planet Earth.
我们其他人都在生物圈二号的外面，但处于地球这个大试管里。
The greatest test of courage on earth is to bear defeat without losing heart.
世界上对勇气了断大考验拿忍受延期而不丧失信心。
The greatest test of courage on earth is to bear defeat without losing heart. — R. GIngersoll.
世上对勇气最大的考验就是以不屈的心态承受失败。
The inner earth pressure of buried cylindrical structure was measured by model test. The variations of inner earth pressure during overturning of cylinder are analyzed.
采用模型试验实测圆筒结构筒内土压力，并对圆筒在倾覆过程中筒内土压力的变化规律进行探讨。
The earth simulator is an important ground simulation test and precision calibration equipment for infrared earth sensor which is the key component in the satellite controlling system.
地球模拟器是卫星姿态测量控制关键部件—摆动扫描式红外地球敏感器的一种重要地面模拟试验与精度标定仪器。
Do not touch any object that could provide a current path to the common side of the circuit under test or power line (earth) ground.
请勿接触任何会为通向被测电路的共用侧或电源地的电流提供通路的物体。
At present, four methods are mainly used for reinforcement earth research: prototype test, model test, three-axial compression test, direct shear test and drawing test.
目前加筋土的试验研究主要有四种方法：原型试验、模型试验、三轴压缩试验、直剪试验和拉拔试验。
The greatest test of courage on earth is to bear defeat without losing heart.
在这个世界上对勇气的最大考验就是失败了也不丧失信心。
The greatest test of courage on earth is to bear defeat without losing heart.
天下上对勇气的最大检验是忍受失败而不损失约心。
The greatest test of courage on earth is to bear defeat without losing heart. Rejoicing in hope, patient in tribulation.
对勇气的最大考验莫过于忍受失败而不丧失信心。从希望中得到快乐，在磨难中保持坚韧。
In missile test, the transformation methods from earth rectangular coordinate to geodetic coordinate are often used.
在靶场试验任务中，经常要用到地心直角坐标到大地坐标的转换算法。
Thee greatest test of courage on earth is to bear defeat without losing heart.
世界上对勇气的最大考验是忍受受失败而不丧失信心。
The greatest test of courage on earth is to display defeat without losing heart.
寓言故事世界上对勇气的最大考验是忍受失败而不丧失信心。
Through the artificial freezing earth simulation test, the physical and mechanic variation laws of the freezing structure are gained.
主要是通过人工土冻结模拟试验，得出冻土结构物的物理力学变化规律。
The results of field test indicate that the earth pressure of abutment, different from linear distribution of Coulomb's, acts as parabolic type.
现场测试结果表明，台背土压力大致呈“抛物线型”分布，与库仑土压力理论的线性分布不同。
Te greatest test of courage on earth is to bear defeat without losing heart.
世间对勇气的最大考验就是容忍失败，决不丧志。
Te greatest test of courage on earth is to bear defeat without losing heart.
世间对勇气的最大考验就是容忍失败，决不丧志。
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