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- Method of measurement uncertainty evaluation for Brinell hardness test results was introduced in the present work. 文章介紹了布氏硬度試驗中測量結果的不確定度評定方法。
- In order to revise national standard of Metallic Materials-Brinell Hardness Test, the Brinell hardness numbers of specimens with different thickness are determined. 為修訂金屬布氏硬度試驗方法國家標準,測定了不同試樣厚度的布氏硬度值。
- 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. 在分析布氏硬度試驗壓痕圖像基礎上,提出基于屬性直方圖的圖像分割算法。
- It' s hard finding time to study ( the subject ). 很難找出時(shí)間來(lái)學(xué)習（這門(mén)學(xué)問(wèn)）.
- An investigation was made on brinell hardness test with a universal material testing machine. 根據布氏硬度試驗的原理 ,提出一種在萬(wàn)能材料試驗機上進(jìn)行布氏硬度試驗的方法。
- It' s hard to define exactly what has changed. 很難解釋清楚到底發(fā)生了什麼變化.
- IT'S hard to fininsh this task in less than a week. 要在不到一周的時(shí)間內完成這項工作，是件困難的事情。
- 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調質(zhì)鋼硬度試驗為例,研究了金屬材料布氏硬度試驗中測量不確定度的評定。
- This is a hard test in which the class all make low scores. 這是一次較難的測試,班上所有的學(xué)生都得了較低的分數。
- It’s hard to say go out there and play a game offensively. 很難說(shuō)讓他們上場(chǎng)去打出一場(chǎng)美妙的進(jìn)攻。
- It was found that the surface roughness is significant in Brinell hardness testing, but has little influence on Rockwell hardness. 結果表明,表面粗糙度對布氏硬度值有重要影響,而洛氏硬度值與表面粗糙度關(guān)系不大。
- No abnormity was found in the metallographi cal analysis and hardness test. 金相和硬度分析未發(fā)現明顯異常組織和硬度分布。
- Scratch Hardness Test Using a Diamond Stylus on the Micro-Tribometer mod. 便條硬度試驗用鉆石筆在微摩擦國防部。
- It' s hard to readjust ( oneself ) to life in Britain after working abroad. 在國外工作之後; 很難重新適應英國的生活.
- Uniformity of hardness test block for Brinell 勃氏硬度塊的均勻度
- Teacher Judy Garber says it”s hard to get the kids away from the computers. 加利福尼亞圣卡洛斯的阿讓代爾小學(xué)可以說(shuō)是美國最先進(jìn)的在線(xiàn)學(xué)校。
- STUDY OF INFLUENCE ON BRINELL HARDNESS TEST PRODUCT 影響布氏硬度試驗結果的探討
- Eath time a new axis of tavel is used, the robot’s hard stops must be changed. 每當要用到一個(gè)新的行程路徑時(shí)，自動(dòng)裝置必須改變硬機械。
- We passed the GESE band 4 and we will welcome the new and hard test. 我通過(guò)了綠色通道英語(yǔ)口語(yǔ)4級的考試，我們還要迎接新的難的考試。
- The twi are so much alike that it‘s hard to distinguish between them. 兩個(gè)又胞胎如此相似，以至于很難區分他們。
