Based on analyses and study of the working principle of strain gauge balances, the method was introduced in this paper for structural and electric design of the calibration system.

本文通过对应变天平测量原理的分析研究，提出了风洞应变天平结构和电气的设计方法，详细介绍了自动天平校准设备的系统构成、主要性能和技术指标。

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They are also able to keep their working balances in dollars, reducing the complexity of managing international trade.

FORBES: President Obama's Strategic Blunder With China

Up to now the Fed has been misled, thinking liquidity was sufficient because companies and investors have been feverishly working to increase their cash balances.

FORBES: Fact and Comment

The phrase "commuting shoe" is enough to send many professional women over the footwear-edge, haunted by visions of modern day Working Girl troops in laced up New Balances or pedicure-exposing Havaianas.

FORBES: Style