external characteristic的用法和樣例：
例句
- External torques arise from outside the system.
外轉矩是由系統外部生產的。 - Four types of external balances are in general use.
通常使用的外式天平有四種。 - This paper analyzes the dynamic characteristic of complex plywood by the theory modal analysis technology.
摘要以懸臂複合層板為研究對象，利用理論模態分析技術，研究了複合層板的動態特性。 - Meanwhile, two examples about calibrating transducer's dynamic response characteristic are given.
同時，給出了採用正弦壓力發生器校準感測器動態特性的兩個實例。
