Assessment on stability of partial rock-block mass is essential during tunnel's design and construction.

隧道围岩局部块体稳定性分析是隧道设计和施工过程中必不可少的环节。

youdao

A computation model for ideal filling block mass was presented to achieve the most favorable compressibility of the fillings.

给出了具有最佳压缩性能的理想充填块体的计算模型。

youdao

In the most simple case that I can think of, I have here a block m which has a certain mass, m.

在最简单的示范中，我有一个大块，它的质量为。

youdao

The search for 19-year-old Dzhokhar A. Tsarnaev was centered on a 20-square-block area of Watertown, Mass, a suburb of Boston.

FORBES: Boston Still Shuttered As Hunt For Bombing Suspect Continues

Some politicians, like Representative Ed Markey (D-Mass.), want to block LNG exports altogether, insisting U.S. gas would better serve America if it remains at home to keep prices low.

FORBES: Rich Kinder's Energy Kingdom

The idea of extended range WiFi has been around the block before, but amidst all the talk of mass WiMAX deployments comes a swank new idea to get vanilla WiFi out to more people without breaking any laws or relying on expensive hardware upgrades.

ENGADGET: Intel developing software hack for long-range WiFi