查询词典 ball-point

Microcosmic space is the hollow ball that has limit,it is not the ball of Poincare conjecture.

微观空间是有界限的空心球，不是

Filter materials series: fruit shell, anthracite coal filter material, quartzite filter material, cobblestone, pomegranate filter material, magnetic iron ore filter material,manganese sand filter,heavy and light weight biological ceramisite, shale rock ceramislte, fiber ball filter material, modified fiber ball, porcelain sand, EPS polystyrene foam filter bead, active aluminum oxideremoving fluorine

滤料系列：果壳滤料、无烟煤滤料、石英砂滤料、卵石、石榴石滤料、磁铁矿滤料、锰砂滤料、重、轻质生物陶粒、页岩陶粒、纤维球滤料、改性纤维球、瓷砂、EPS 可发性聚苯乙烯泡沫滤珠、活性氧化铝。

To achieve improvements in the production capacity and energy efficiency of an industrial tubular ball mill, a novel method, reflecting the level of coal powder filling in the ball mill by using vibration characteristics, was proposed.

为提高工业球磨机的生产能力并降低能耗，提出了使用磨煤机的轴承振动特性来测量球磨机筒内料位的新方法。

Firstly, milling mechanism of planetary ball mill and process of flaking microsphere aluminum powder were introduced simply in milling process,and several main factors were also discussed in course of milling aluminum powder by planetary ball mill.

首先，简单介绍了球磨工艺过程中行星式球磨机的球磨机理及微球铝粉片状化过程，并讨论了用球磨机在球磨铝粉过程中的几个影响因素；其次，是分离工艺过程中筛分和过滤待改进的工艺条件；第三，探讨了捏合过程对整个产品体系稳定性的影响；最后，简易配制涂料，采用相关仪器对产品质量进行评价，并提出三方面的改进要求。

Firstly, the mechanism of the preparation of superfine quartz powder with ball mill is studied in this article, based on nature of quartz material, Griffiths strength theory and the crush theory of planetary ball mill. The problem of granulation during the process of the preparation of superfine quartz powder is studied minutely. And proposed increasing dispersant and disperser medium to restrain granulation, and dispersing use ultrasonic after milled.

首先，本文结合石英材料的基本物性，以格里菲斯强度理论和行星式球磨机的粉碎原理为基础，研究了球磨法制备超细石英粉体的机理，同时对粉石英制备过程中的团聚问题及其控制作了细致的研究，提出粉磨过程中增加分散剂和分散介质来抑制团聚，粉磨后采用超声法进行分散，并确定了最佳分散剂、分散介质的用量和最佳超声分散时间。

Than with a wide gap session have three in all most, three match win ball 9 ball only in World Cup Competition finals, the fifth Hungary with 9:0 win Korea team; The tenth pressgang with 9:0 win the Zaire team team then; The 12th Hungary with 10:1 win tile large teams of sha team.

在世界杯赛决赛阶段比最悬殊的场次共有三场，三场比赛净胜球均是9球，第五届匈牙利队以9：0 胜韩国队；第十届地斯拉夫队以9：0 胜扎伊尔队；第十二届匈牙利队以10：1胜莎尔瓦多队。

Piglet spore ball worm disease depend on by pig spore ball worm for a living in nursing period and wean piglet leather cell one parasitics protozoon's disease caused at the small intestine recently, present world distribution, cause the serious economic losses to pig farm .

仔猪等孢球虫病是由猪等孢球虫寄生在哺乳期及新近断奶仔猪小肠上皮细胞所引起的一种寄生性原虫病，呈世界性分布，给养猪场造成严重的经济损失。

Basket ball foot ball feather racker Soldier s racker do exercise to keep fit the device sport protecting equipment Run spiked shoes eto school athletics device .

篮球，足球，羽毛球拍，乒乓球拍，健身器材，运动护具，跑钉鞋等学校体育器材

Mg and Fe element powders were reactively ball milled under H2 atmosphere in a planetary ball mill to synthesize Mg2FeH6 hydrogen storage materials.

以Mg和Fe元素粉末为原料，在双行星式球磨机的氢气气氛中反应球磨，合成Mg2FeH6储氢材料。

The 28th international table tennis federation world after the modification of the rules , the ball from behind high ball down, so that can serve force is not legal service. In the 1960s, along with the development of tennis sport service quality is improved greatly, and pay more attention to the rotation speed, and serve the high toss service, but due to not to bring great threat returner and so on the new rules, not too many restrictions on serving technology.

第28届世乒赛后，国际"乒联"对规则进行了修改，规定了抛起的球从最高点下降时才能击球，因此认定合力发球是不合法发球。60年代随着乒乓球运动的发展，发球质量也有了很大的提高，更注重发球的旋转与速度，开始出现了高抛发球，但由于并没有给接球方带来很大的威胁，所以，规则并未对这些新的发球技术进行过多的限制。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。