According to the criteria , natural fracture zones of no . 3 coal seam are divided into four grades and then the permeability distribution of no . 3 coal seam is preestimated 依据该标准将3号煤层天然裂隙划分为4级发育区，进而预测出3号煤层渗透率的分布概况。
In the same time , the test indicates that the wetting ability of the wetting agents to suppress the dust can be enhanced after two agents are compounded 其中还将3种湿润剂两两复合进行了同样的试验，结果表明，湿润剂复合后它们的湿润性能有了进一步的提高。
Nasa fired three microsatellites into space wednesday to study the earth ' s magnetic fields , a week after an earlier launch was scrubbed 在比原计划推迟了一周之后，美国宇航局22日终于利用飞机加火箭的方式将3颗微型卫星送上了太空，开始了对地球磁场的研究工作。
In this chapter three offices for student services will be introduced to you and hopefully they can offer some more information and convenience for your study and daily life in xisu 在这一章节里，我们将3个服务留学生的机构介绍给大家使同学们了解这3个部门的职能情况。
In chapter 2 , amino and ether organic group were successfully grafted into the pore of mcm - 41 mesoporous sieve using y - aminopropyltriethoxy silane and y - glycidoxypropyltrimethoxy silane as a coupling agent 将3协m的c16一mcm一41介孔固体微粒固定于不锈钢丝上，制成100林m的涂层。
The application of three different regression methods which named polynomial regression , linear multi - variant regression and support vector regression in voice conversion is compared in this paper 将3种不同的回归方法：多项式回归，线性多变量回归以及支持向量回归分别应用于声音转换。
Elsewhere , an accountant for a foreign firm tried to convert $ 30 , 000 into local currency to pay staff salaries and office rent but was turned away when the bank said it did not have enough dong 此外，一家外资公司的会计试图将3万美元兑换成本币，用以支付员工工资和办公室租金，但银行将其拒之门外，称没有足够的越南盾。
Created in 1996 by a group of space enthusiasts and former astronauts , the x prize will be awarded to the first team to successfully launch three humans 100 kilometers into space twice in two weeks using the same rocket 奖赏计划好的策划于1996年由一群太空迷和前任宇航员所创立，奖金将颁给第一个成功地在两星期内使用同一艘火箭两度将3个人送进100公里远的太空的队伍。
Customs officers mounted an operation in north point yesterday afternoon ( october 7 ) ; and arrested a 19 - year - old man at an mtr station when he handed over three sets of photocopied past examination papers to a customs officer disguised as a customer 昨日（ 10月7日）下午，海关人员在北角区采取行动，当一名19岁男子在地铁站内将3份盗版考试试题复印本交给乔装买家的海关人员时，海关人员将他拘捕。
The level of metallothionein in every experiment group treated with mixture of zn and cd was higher than that of the groups treated with the same zn ( cd ) dosage , but it was not the sum of the two groups . this proved that there be antagonism between zn and cd 将3天中锌(镉)递增组与锌(镉)单独注射组中所注射的锌(镉)总剂量相等的两组比较，可发现，锌(镉)递增组所产生的mt多，且两者间差异显著( p 0 . 05 ) 。
