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- Method of measurement uncertainty evaluation for Brinell hardness test results was introduced in the present work. 文章介绍了布氏硬度试验中测量结果的不确定度评定方法。
- In order to revise national standard of Metallic Materials-Brinell Hardness Test, the Brinell hardness numbers of specimens with different thickness are determined. 为修订金属布氏硬度试验方法国家标准,测定了不同试样厚度的布氏硬度值。
- Based on the analysis of the features of Brinell hardness test indentation image, the applied image segmentation algorithm based on the histogram of the indentation image is put forward. 在分析布氏硬度试验压痕图像基础上,提出基于属性直方图的图像分割算法。
- It' s hard finding time to study ( the subject ). 很难找出时间来学习（这门学问）.
- An investigation was made on brinell hardness test with a universal material testing machine. 根据布氏硬度试验的原理 ,提出一种在万能材料试验机上进行布氏硬度试验的方法。
- It' s hard to define exactly what has changed. 很难解释清楚到底发生了什麽变化.
- IT'S hard to fininsh this task in less than a week. 要在不到一周的时间内完成这项工作，是件困难的事情。
- The evaluation of measuring uncertainty in metallic material Brinell hardness test is studied by testing the hardness of the 45 quenched and tempered steel. 以45%23调质钢硬度试验为例,研究了金属材料布氏硬度试验中测量不确定度的评定。
- This is a hard test in which the class all make low scores. 这是一次较难的测试,班上所有的学生都得了较低的分数。
- It’s hard to say go out there and play a game offensively. 很难说让他们上场去打出一场美妙的进攻。
- It was found that the surface roughness is significant in Brinell hardness testing, but has little influence on Rockwell hardness. 结果表明,表面粗糙度对布氏硬度值有重要影响,而洛氏硬度值与表面粗糙度关系不大。
- No abnormity was found in the metallographi cal analysis and hardness test. 金相和硬度分析未发现明显异常组织和硬度分布。
- Scratch Hardness Test Using a Diamond Stylus on the Micro-Tribometer mod. 便条硬度试验用钻石笔在微摩擦国防部。
- It' s hard to readjust ( oneself ) to life in Britain after working abroad. 在国外工作之後; 很难重新适应英国的生活.
- Uniformity of hardness test block for Brinell 勃氏硬度块的均匀度
- Teacher Judy Garber says it”s hard to get the kids away from the computers. 加利福尼亚圣卡洛斯的阿让代尔小学可以说是美国最先进的在线学校。
- STUDY OF INFLUENCE ON BRINELL HARDNESS TEST PRODUCT 影响布氏硬度试验结果的探讨
- Eath time a new axis of tavel is used, the robot’s hard stops must be changed. 每当要用到一个新的行程路径时，自动装置必须改变硬机械。
- We passed the GESE band 4 and we will welcome the new and hard test. 我通过了绿色通道英语口语4级的考试，我们还要迎接新的难的考试。
- The twi are so much alike that it‘s hard to distinguish between them. 两个又胞胎如此相似，以至于很难区分他们。
