ground mass

基本解释

It can improve the strength and stability of ground, rock mass, and other structures.
通过锚杆的支护加固，岩土体的强度和稳定性能够得到显著的改善和提高。
Mark Zumberge: Basically a seismometer is a box with a spring with a mass hanging inside, and as the ground shakes the mass goes up and down.
马克•藏伯格：地震仪的基本模型是一个箱体，箱内装置弹簧，弹簧上悬挂重物，地震来临时，重物在竖直方向上振动。
Hybrid spread spectrum, rake and multiple data compressing technology are used to realize air to ground mass high-speed, anti-jamming multiple data transmission.
采用复合编码扩频技术、隐分集技术以及多媒体数据压缩技术，实现了空地大容量高速、抗干扰多媒体数据传输。

Resources were squandered, vegetables were allowed to rot on the ground and mass starvation was the result.
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Thankfully, there's software that helps guys on the ground filter through the mass of data.
ENGADGET
One of the things that was determined by the Iraq Survey Group, not to be confused with the Iraq Study Group, Jim Baker fame, but the Iraq Survey Group, the team that was dispatched to go look at the weapons of mass destruction issue on the ground after the country was liberated, came back, you saw the banner headlines, No WMD.
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the matrix of igneous rocks, such as porphyry, in which larger crystals (phenocrysts) are embedded