Laboratory fill test: fill water content, grain analysis and specific gravity test were tested.

填土的室内试验：填土含水量测定、颗粒分析和比重测定。

youdao

In this paper, the principle and the application of magnetic fluid was studied in the specific gravity test of objects.

本论文研究了磁性液体物体比重测试技术的原理及其应用。

youdao

Slop moving test and vertical obstacle passing test research are given. Simulating lower gravity of moon environment, the rover's low gravity test is done.

同时，进行了月球车爬坡试验和垂直越障能力试验研究，还模拟月球的低重力环境进行了整车的低重力试验。

youdao

HeLa cells have gone to the moon to test the effect of zero gravity.

VOA: special.2010.07.21

Scientists have subjected Albert Einstein's famous theory of gravity to its toughest real-world test so far and it has prevailed.

WSJ: Einstein Proved Right on Gravity��Again

Though Einstein's framework remains intact so far, "the study is significant for the way observations by astronomers are helping to identify new, extreme cases" to test his general theory of gravity, said Dr. Wang.

WSJ: Einstein Proved Right on Gravity��Again

These quantum jumps can test Newton's theory of gravity - and any variations from it - with unprecedented precision.

BBC: Neutrons could test Newton's gravity and string theory