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。
Analogy method based on experience is insufficient for complex shape part and Trail-and-error. Only simple finite element increment simulation method is time consuming.
传统的经验类比设计对于复杂拉深件难以奏效，单纯应用有限元增量模拟法进行“试错”耗时多、效率低。
The interaction parameters of surfactant have been processed by computer, and calculating flow has been designed for trail and error method. Its application results are exact and efficient.
以计算机处理表面活性物质作用参数数据，针对试差法的特点，设计了计算流程。
In this paper, the X-ray powder diffraction data of unknown Crystal Systems of dipropyl-(2-hydroxy phenyl) phosphate have been indexed Successfully by the improved trail-and-error method.
本工作使用改进的尝试法成功的指标化了未知晶系粉末样品邻羟基苯基二丙基磷酸酯的粉末X射线衍射数据。
In this paper, the X-ray powder diffraction data of unknown Crystal Systems of dipropyl-(2-hydroxy phenyl) phosphate have been indexed Successfully by the improved trail-and-error method.
本工作使用改进的尝试法成功的指标化了未知晶系粉末样品邻羟基苯基二丙基磷酸酯的粉末X射线衍射数据。
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