保持位置

A device,such as a looped rope ,hook and eye,strap,or grommet,used to hold or fasten loose rope s,spars,or oars in position.

环索一种类似于绳圈、钩子和线圈、皮带或金属索眼的装置，用于把松了的绳索、桅杆或桨保持或紧固在其位置上

NGA periodically recomputes the positions of both the NGA and the Air Force tracking stations as part of efforts to maintain WGS 84 and improve the accuracy of the station positions.

国家地理情报局定期重新计算双方的牙和空军跟踪的立场，以努力保持 WGS84和改善基站的位置，精确度的部分基站。

The watchmakers of Switzerland work to maintain their place of prominence.

瑞士的制表工作，以保持自己的位置的突出。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。