Worse, computers seem to have further separated children in low-income households, whose test scores often decline after the machine arrives, from their more privileged counterparts.
更糟的是，在低收入家庭买了计算机后，孩子的成绩往往会下降，而且与富贵子弟更加疏远了。
A tape transport where the file reel is separated from the machine reel, and is not enclosed in a cassette or cartridge.
供带盘和收带盘分开的一种磁带机，其磁带卷并不固封在磁带盒中。
To make woolen yarns the fibers are fed to the carding machine where the fiber assemblage is opened or separated tangles are removed. fibers are straightened to some degree and impurities are removed.
生产粗梳毛纱时，将纤维喂入梳毛机。在梳毛机上，毛块被开松分离，纤维之间的纠缠被松解。
Lathe spiral metal filings were used in high gradient magnetic separation machine to recover FCC catalyst and activities of the separated FCC catalysts were examined.
选用车屑螺旋状填充质高梯度磁分离对FCC废催化剂进行了分离处理，并对分离后的催化剂进行了活性检验。
Speed chain is a key control unit connecting the set speed needed of divided parts of paper machine in the separated driving.
速度链是分部传动造纸机中连接各分部所需速度给定的一个关键控制单元。
Low ash coal with an ash content lower than 2% can be separated from some suitable coal with its purification ability and by a high efficient cyclonic microfoam columned pneumatic floatation machine.
对于一些适宜的煤种，利用净化能力强、分选效率高的旋流微泡浮选柱可以分选出灰分小于2%的低灰煤。
Engaging at the programme of machining processing technic, the designing work of machine tools and bit tools can not be separated from the cutting power.
在从事机械加工工艺方案拟定、机床和刀具设计等工作时，都离不开对切削功率的估计。
ZK-3A Thin Film Packing Machine for Chopsticks This machine is to pack disposable wooden or bamboo chopsticks, one pair in one bag, with rolled thin film, which has been printed, separated and cut.
薄膜筷子包装机是将现成印制分切好的卷筒膜，包装一次性木制或竹制筷子。一双筷子包一个袋子，通过压花，三边封口，切断，完成包装。
After the washing operation is finished, the drum wall can be folded and separated from the machine body.
洗涤作业结束后，则可将桶壁折叠并与机体分离。
A machine tool is separated from the chemical fire-extinguishing device, so that the management and maintenance are convenient and the space of the workshop can be saved.
设备机床与化学灭火装置分离设置，可达到方便管理及维护和节省厂房空间的目的。
This machine can automatically complete a series of actions, such as bag making, filling , counting, sealing , separated cutting and finished-products conveying.
本机集制袋、填充、计量、封合、分切、输出成品等一系列动作均自动完成。
Separated upper grooves (12) are arranged on the press casting plate (11) of the hydraulic pressing machine (10); the upper grooves (12) hold the upper stretching part of the steel bar component.
所述液压机(10)的压铸板(11)具有间隔的上凹槽(12)，上凹槽(12)容纳钢筋构件上伸出部。
Separated upper grooves (12) are arranged on the press casting plate (11) of the hydraulic pressing machine (10); the upper grooves (12) hold the upper stretching part of the steel bar component.
所述液压机(10)的压铸板(11)具有间隔的上凹槽(12)，上凹槽(12)容纳钢筋构件上伸出部。
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