cross trail error [航] 横向尾流误差
cross-trail error 横偏长误差
trail-and-error 试凑法
Trail and Error Method 运用试误法 ; 系统试差法
When I discovered this concept, after much difficulty and trail and error, I realized for the first time how huge it was. And how much people like you and me need to know about it.
经历很多艰辛尝试和错误，当我终于发现这个概念时，我第一次意识到它有多广泛，有多少像你我这样的人需要了解它。
In many cases, the design of control system is based on some theory rather than intuition or trail-and -error.
在许多情形，控制系统的设计是基于一些理论，而不是直觉或者试凑法。
The error of the frame and the trail which make the crane not in parallel with the rail track is the cause of off-tracking.
在实际治理啃轨现象的工作中，一般是以提高车架和车轮的安装精度，校正和消除起重机和轨道的缺陷为主要方法。
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