查询词典 second-hand

as an important aspect in researching the classroom process, feedback from teachers could offer the ideal perspective for the study of second language classroom instruction.the study on the effects of feedback from classroom teachers of second languages, and especially of recasts, is of much importance, not only theoretically but also empirically, when conducting a comprehensive research on the quantity and quality of such feedback.

作为二语课堂过程研究的一个重要方面，教师反馈研究能为我们了解和研究二语课堂教学的真实情况提供一个理想的视角。

A theory of a second force rekindles the possibility of progress and raises troublesome questions: If there is a second law of life -- a rising flow -- what is it flowing toward?

第二种力量的理论重新点燃了发展的希望，同时也提出了棘手的问题：如果存在一个生命的第二法则——上升流，那么这个潮流的方向究竟指向哪里？

A theory of a second force rekindles the possibility of progress and raises troublesome questions: If there is a second law of life -- a rising flow -- what is it flowing toward?

第二种力量的理论重现点燃了进步的希望，同时也提出了令人棘手的问题：如果存在一个生命的第二法则——上升潮，那么这个潮流的方向究竟指向哪里？

The second was Quanzhou Modern Art Exhibition ,held in September of 1986, displayed 55 pieces of artworks, which were created based on physical objects mostly. During the second exhibition, the members agreed on the concept : Let painting art get rid of distance feeling , restituting essence of art by random physical objects.

第二次展叫做《泉州现代艺术展》，举办于1986年9月，作品55件，多为随手可得的实物，这次展览，大家在&以随机性还原艺术的本质，摆脱架上绘画的贵族气息&的观念上取得了一致。

However, the conversion rate of glycerol produced from the first stage using cornstarch to 1,3-propanediol from the second stage was only 26.5 % in 31h and the final concentration of 1,3-propanediol was 13.4 g/L. The productivity of 0.43 g/ of the second stage was much lower than that of a two-stage-fermentation from glucose （1.65g/ L） or of single fermentation from saponified glycerol, which is

多年来，研究人员在甘油生物歧化过程的代谢途径、动力学特征等方面已进行了较为深入的研究，甘油作为唯一碳源的最大理论摩尔转化率为72％，辅助底物的使用可以将甘油转化率提高至100％，发酵液中1，3一PD的最终浓度可以达到65～70 g／L3 。。。。。。

A vortex generator in the second chamber segregates the liquid to the outside and the gas to the inside of the second chamber.

在所述第二室中的一个涡流发生器，将所述液体分隔到所述第二室外部，而将所述气体分隔到所述第二室的内部。

One point is the tail portion of an axial flange swaged into a groove in the rack, and a second part of the same axial flange has a groove for retaining a locking ring in a second groove in the rack.

一个连接点就是一个轴向凸缘的后部，该轴向凸缘被锻压到齿条的一个沟槽内，该轴向凸缘的第二部分设置有一个沟槽，该沟槽用于将锁紧环保持在齿条上的一个第二沟槽内。

Compared to people, who can distinguish a maximum of 25 discrete images per second, flies are visual virtuosos: they can sense up to 100 separate images per second and respond fast enough to change their flight direction.

人类每秒最多可辨别出25个离散的图像，相比之下，苍蝇则是视觉大师：它们每秒能甄别出多达100幅的独立图像。而且能以闪电般的反应速度改变其飞行方向。

On my machine I see 25 frames / second in windowed mode, and 60 frames / second in full screen mode.

在我的机器我看到25帧/秒，在窗口模式和60帧/全屏模式秒。

It was dominated by Sparta until the rise of the second Achaean League in the third and second centuries b.c.

亚'。''该''。'亚'。''联盟崛起以前该地一直受斯巴达的统治

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。