The connecting element (20) reliably connects, fixes, and aligns the rails in relation to each other without engaging in the usable space between the lateral limbs and the rear side of the U-profile.

所述连接件(20)可靠地连接、固定和对齐所述壁轨，且不会占用所述u形壁轨的侧翼和背部之间的有用空间。

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The connection between U-property and uniformly convexity, uniformly locally mid-points convexity are constructed, the U-property of the generalized lp-space and its quotient space is given.

较系统地建立了U -性质，严格凸，中点局部一致凸等几何量之间的关系。给出了广义-空间是U -空间的刻画。

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The deal is a fascinating and promising example of impact investing, that uncharted space between philanthropy and profit maximization, and the U.S. needs much more of this, not to mention developing countries.

FORBES: Goldman Sachs' Foray Into Impact Investing

The last major space debris collision was in 2009 between Iridium 33, an operational U.S. communications satellite, and Cosmos 2251, a decommissioned Russian satellite, Kelso said.

CNN: STORY HIGHLIGHTS