活动器

His succinct, synt h esized voice comments are often laced wit h h umor, h e en j oys socializing wit h h is students and colleagues, attends rock concerts and Sometimes takes to t h e dance floor at discos, w h eeling h is c h air in circles.

他那通过发声合作器说出来的简单话语，时不时还带着点幽默的味道。他喜欢和学生、同事们一起参加社交活动，参加摇滚音乐会，有时还到迪斯科舞厅去，坐在轮椅上转圈子。

The DNA sequences are from mitochondria, the tiny organelles within cells that provide power for all the activities of life.

在从线粒体DNA序列的，微小的细胞内细胞器，以便为所有的生命活动的权力。

Organelles are distributed in the cytoplasm , with some form of physical activity in the cell plays an important role in the structure.

细胞器是分布于细胞质内、具有一定形态、在细胞生理活动中起重要作用的结构。

A new-type bike features that its pedal crank has an arc rack bar acting on the ratchet gear in single direction and in turn driving the drive chain wheel, a reset unit composed of crank mechanism is used to make left and right pedal cranks be pedaled alternatively, and its front movable saddle plate is connected via connecting rod to pedal crank for making rider comfortable. Its advantages are high drive performance and efficiency and saving labour.

一种新式自行车，其最大特点是蹬踏杆上含有一弧形齿条，由该弧形齿条上的轮齿作用于具有单向离合的棘齿轮，从而带动主动链轮转动，由曲柄机构组成的复位器使左右蹬踏杆能够交替连续踩踏以驱动自行车行驶，前活动座板与蹬踏杆由连杆相连结，从而实现同步摆动给以乘骑者踩踏感到舒适，该发明具有传动性能好，效率高，力损耗小等优点。

Theoretical classes focus on the conceptions involving cell biology, the ultrastructures, chemical composition and function of organelles in cell, the mechanisms of biochemical action and the research methods as well.

理论课教学内容重点讲授细胞生物学有关的基本概念、细胞内各种机构及细胞器的亚显微结构、化学组成和功能作用，介绍重要生化活动的分子机制及本学科的主要研究方法。

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有器质性心脏病、癫痫病、美尼尔氏症、眩晕症、癔病、震颤麻痹、精神病、痴呆以及影响肢体活动的神经器官系统疾病等故障安全驾驶疾病的

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有器质性心脏病、癫痫病、美尼尔氏症、眩晕症、癔病、震颤麻痹、精神病、痴呆以及影响肢体活动的神经系统疾病等妨碍安全驾驶疾病的； D ' /$ www.zgqcsxw.cn q1N·U：Ezx

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有器质性心脏病、癫痫病、美尼尔氏症、眩晕症、癔病、震颤麻痹、精神病、痴呆以及影响肢体活动的神经系统疾病等妨碍安全驾驶疾病的； 2v Y www.zgqcsxw.cn 1q 7

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。