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- He learned technical skills by trial and error. 他通过不断摸索掌握技能。
- I lost the instruction book and so I had to find out how to use the machine by trial and error. 我把说明书丢失了，结果只得通过不断摸索才弄懂怎样使用这部机器。
- Factorization of this equation by trial and error is not possible. 用试凑法对这个方程进行因式分解是不可能奏效的。
- Specific behaviour must be determined by trial and error. 特殊的行为必须是通过探索试验来决定。
- Children learn to use computer programs by trial and error. 儿童们通过反复摸索才学会运用计算机程序。
- In a sale by trial, the parties may prescribe the trial period. 第一百七十条试用买卖的当事人可以约定标的物的试用期间。
- The experts produce a new product by trial and error. 专家们经过反复试验,研制了一种新产品。
- They also need to practise skills and learn by trial and error. 他们也需要锻炼技巧和通过反复试验来学习。
- My progress has been spasmodic and interrupted by trial and error. 我的投资经历了试验和错误。
- Specialists have invented a new product by trial and error. 专家们经过反复试验;研制了一种新产品.
- The above general rules allow the isopachs to be drawn by trial and error. 有了上述的一般规律，即可采用试凑法来描绘等和线。
- A non parametric MKS trial method which is used to analyses the statistic character stability of degenerated energy levels fluctuation is set up in this paper. 通过引入权重 ,并用一能级数等于简并谱的无趋向性序列为标准去衡量简并邻间距谱的趋向性 ,由此建立分析简并谱涨落统计特征稳定性的MKS无参量试验法 ;
- Assuming we have predicted G, we can solve for N by trial and error. 假定我们已经预测到g，就可以用试误法来解N。
- Therefore, the authors derivate the functional relations of the final temperature of diesel by mathemat-ic model and calculate the actual value with trial method. 通过建立数学模型,获得了最终温度的函数表达式,并采用试算法间接地求取油品的最终温度。
- The above general rules allow the isopachics to be drawn by trial and error. 有了上述的一般规律,即可采用试凑法来描绘等和线。
- The CHM file was converted to HTM by Trial version of ChmDecompiler. 点击下边试剂基本信息列表需修改的试剂基本信息，点击删除按钮。
- proportioning by mortar void method 灰浆孔隙配合
- During this time, the screw moves back while turning to carry out a new proportioning by bringing material melted to the front of the sprue tube. 在这段时间里，螺杆回复到原位，同时旋转以实现下一环节的动作，即将熔化的材料带入进胶管前端。
- The constructed solving process is to establish a general SBR model firstly, then to derive the suboptimum solution by trial and error method with the help of simulation tools. 所构造的解法是首先建立通用的序批式反应器模型;然后借助仿真工具试差求取次优解。
- It has been proven by trial commercial production that With the piercer plug designed by means of the said new method,much higher radial wall thi... 工业性试验结果表明，新设计的穿孔顶头能显著提高毛管的横向壁厚精度。
