In this paper, the notion of stability of hypersurfaces with constant mean curvature was considered.

介绍了具有常数平均曲率的超曲面的稳定性概念。

youdao

The region of the atmosphere below90km has a nearly constant mean molecular mass and is therefore called the homo sphere.

90公里以下大气区域，具有一个接近恒定的平均分子质量，因此称为均匀层。

youdao

This paper discusses the space-like submanifolds with constant mean curvature in a pseudo-Riemannian space form, and obtain an integrate inequality and a rigidity theorem.

本文研究了伪黎曼空间型中具有常平均曲率的类空子流形，得到了这类空子流形的一个积分不等式及刚性定理。

youdao

So just keeping supply constant will mean more work for Nabors.

FORBES: Drilling for Dollars

This constant rotation will mean that troops from many countries will have to meet the stringent standards set for the new force.

BBC: NEWS | Europe | Nato's force for change

Getting it right means working with engine manufacturers and software producers because changing requirements mean constant updates to ensure that every car meets the standards required.

BBC: The Caterham Seven is a car with history.