it has been found that中文是什么意思

• 实践证明
• 业已发现

• it     it2 pron. (sing. Nom. ...
• has    have 的第三人称单数、现在式。
• found    adj. 〔英国〕(对房客等)不另加费供应的，已包括在价 ...
• that    pron. (pl. those ) 1.〔指示代名词〕 ...
• no clue to the mystery has been found    至今还没发现任何有关这一神秘事物的蛛丝马迹
• no life has been found on the moon    月球上没有发现生命
• has been    已经; 曾经红过一阵; 曾经盛极一时
• has-been    n. 〔口语〕曾经时兴的东西；会风流一时的人物。 It is better to be a has-been than a never-was. 〔谚语〕宁可昙花一现，不能默默无闻。 adj. 〔美口〕过时的，从前的。
• there has been    出现了
• there is and has been    现时和一直以来均
• and he has found me    他就会出现在的我面前
• although it has been before    尽管以前人们用过这个理由
• as has been mentioned    根据上述
• as has been noted    如前所述及
• as has been pointed out    正如已经指出的
• as has been stated    如前所述
• conviction has been reversed    原判撤销
• has always been so    向来如此it
• has been hit the hardest    的问题最为严重
• has been missing    行踪不明
• has been noted    如前所述的
• has been off the wall    表现的一切都失常
• has the account been settled    帐清了吗
• has the baby been vaccinated    这孩子种痘了吗
• has the letter been posted    信邮了吗

• Actually , it has been found that the convergence rate of the em algorithm for gaussian mixtures is related to the overlap measure of gaussians in the mixture in certain situation
  近年来，对于高斯混合体em算法的收敛性研究有了新的进展。人们发现算法的收敛速度与高斯混合体各分量之间的重叠度有关。
• It has been found that it is a very new research area to study the dynamic logistics alliance from the perspective of decision support for the logistics systems establishing and operation optimization
  可以发现，从物流系统组建与运行优化的决策支持技术方面对动态物流联盟进行研究是很新的研究课题。
• During this festive season , emsd has been inspecting supply outlets for christmas lighting chains . it has been found that the lighting chains on the market generally comply with safety requirements
  在这个圣诞节日期间，机电工程署曾到出售圣诞灯饰串的店铺巡查，发现市面上出售的灯饰串一般均符合安全标准。
• It has been found that there are strike - slip downfaults along the shiting river between the shifang city and mianzhu city by the remote - sensing geological interpritation and geochemical and geogas surveys
  摘要利用遥感地质解译以及土壤地球化学测量和地气测量，发现沿四川绵竹市和什邡市之间的石亭江发育走滑断裂。
• It has been found that three different erosion modes , i . e . interface erosion , sub - interface erosion and penetrating erosion correspond to the low , medium and high erosion life , respectively
  通过解剖失效枪管，发现镀层下基体的初始烧蚀行为存在界面烧蚀、次界面烧蚀和穿透性烧蚀3种典型方式，枪管寿命相应由低到高。
• Most of the salt - bearing basins are also oil and gas bearing areas . in the exploration of oil and gas in salt - bearing basins , it has been found that there are some close relationships between salt and oil & gas
  世界上大多数含盐盆地同时也是含油气区，在含盐盆地的油气勘探中，人们发现盐岩与油气有千丝万缕的关系。
• Since then , the discrete two - species competition model of lotka - volterra type has attracted great attention and interest of many authors , and it has been found that the system can demonstrate quite rich and complicated dynamics
  从那以后，二维离散lotka - volterra竞争系统模型已引起了许多学者的注意和兴趣，而且发现此系统有相当复杂的动力行为。
• Dry sliding wear behavior and electric sliding wear of cu - nanosized tib2 in - situ composites were investigated using a pin - on - disk test rig . it has been found that tib _ 2 nanoparticles improved the wear of resistance the in - situ composites
  利用销-盘式摩擦磨损试验机研究了cu -纳米tib2原位复合材料/ cu - c (石墨)复合材料的干滑动磨损和电接触磨损行为。
• But at the same time , it has been found that the correlation changes when magnetizing direction deviates from the direction of stress , or magnetizing strength increases , even a contrary trend will advent in a special situation
  但同时也发现随着磁化方向与应力方向的偏离，或是随着磁化强度的变化，这种相关性会发生变化，在特定条件下甚至出现相反变化趋势。
• It has been found that great stress and displacement will produce in the roof plane with the original scheme . so it is unfeasible in the engineering project . then another three schemes have been calculated , analysed and compared
  通过计算和分析发现如按原设计方案，将在顶板上产生较大的应力并会产生大位移，认为原方案在工程上会带来一些隐患，是不可行的。