常見例句My friend Thomas Leeb went there recently, he had a wonderful time. 我朋友Thomas Leeb經(jīng)常去那里,看起來他對(duì)中國(guó)的印象很不錯(cuò)。The Leeb hardness tester as well as its features,typical applications,development and proper type selection were introduced. 介紹了里氏硬度計(jì)及其特點(diǎn)與適用場(chǎng)合,里氏硬度計(jì)的發(fā)展?fàn)顩r,里氏硬度計(jì)的正確選型;The mammoth endeavor to attain "living space in the east" for Germany employed over 3 million men separated into 3 Army groups; North (Leeb), Center (Bock), and South (Rundstedt). 德國(guó)動(dòng)用3百萬人分為3個(gè)集團(tuán)軍;北方集團(tuán)軍(李勃),中央集團(tuán)軍(博克),和南方集團(tuán)軍(龍德斯泰特)聲勢(shì)浩大的投入為獲得"東方生存空間"。In this paper,the influence of the impact block mass and the impact height in Leeb hardness measurement are analyzed with the method of orthogonal experiments. 利用正交試驗(yàn)的方法分析了沖擊體質(zhì)量和沖擊高度對(duì)里氏硬度測(cè)量值的影響,同時(shí)給出了一個(gè)兩因素水平的可允許變動(dòng)范圍。The corresponding relation between Vickers hardness and Leeb hardness is investigated in this paper,and the method of least square estimation is used to regress the equation between them. 研究了維氏硬度和里氏硬度的對(duì)應(yīng)關(guān)系,在大量試驗(yàn)的基礎(chǔ)上,采用最小二乘法擬合了維氏硬度和里氏硬度的關(guān)系式,并對(duì)原換算表的低值部分進(jìn)行了擴(kuò)展。A New Hardness Testing Instrument--Leeb Hardness Tester 一種新型硬度測(cè)試儀器--里氏硬度計(jì) 返回 Leeb