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Since period of time, the produce and sale of our country commissariat changes the trend caused domestic and international wide attention again.

一段时间以来，我国粮食的产销变动趋势又引起了国内外的广泛关注。

June 14, 2007 , Zhou YongKang said on the national Narcotics Control Committee of the Whole Meeting that the source of heroin, which is a largest threat of China, has been effectively curbed and the staff who sucking heroin reduced. The serious complexion of heroin in key area has improved remarkably through expansion of anti-drug war after 2005. Although the harm caused by heroin is easing, but the anti-drug work is still very grim because the taking methamphetamine, dancing outreach and other new type drugs have spread.

2007年6月14日，周永康在国家禁毒委员会全体委员会议上指出，2005年以来，通过深入开展禁毒人民战争，对我国危害最大的海洛因来源得到有效遏制，吸食海洛因的人员明显减少，重点地区海洛因问题严重的局面明显改观，海洛因造成的危害逐渐减轻，但吸食冰毒、摇头丸等新型毒品有蔓延趋势，禁毒工作依然十分严峻。

Oil shale was formed in semisaline or saline water environments caused by commixture of sea water with fresh water.

咸水与淡水混合时发生的凝胶作用是生成该块状油页岩的主要因素。

Oil shale was formed in semi-saline or saline water environments caused by commixture of sea water with fresh water.

咸水与淡水混合时发生的凝胶作用是生成该块状油页岩的主要因素。

The weak dollar has caused commodity prices to nudge up, a potential inflationary threat.

美元疲软造成了商品价格的上升，构成了潜在的通货膨胀威胁。

The spurious lines caused by those sources can be classified into different sets according to the greatest common divisor of the DDS frequency control word and 2N,where N is the word length of the DDS phase accumulator.

由此产生的杂散谱可根据DDS的频率控制字和2N的最大公约数进行分类， N是DDS相位累加器的字长。

Infant diarrhea is caused by a variety of causes of diarrhea mainly common multiple gastrointestinal diseases.

婴儿腹泻是由多种病因引起的以腹泻为主的常见多发性消化道疾病。

These observations have caused commotion in the past few weeks.

在过去的几周中，这些评论引起了混乱。

There is a small action range in archery.Simple methods and analysis is inadequate,so the author,on the basis of testing the archery athletes in national team with the Qualisisy infrared photoelectric testing system,Footscan sole pressure testing system,Noraxon myoelectricity remote testing system, etc,analyzes comprehensively the action technique of the athletes in national team from the posture,body motion characteristics,body posture equilibrium and stability,distribution of centre sole pressure, myoelectricity characteristics,etc,with the methods of relative software and data statistics.The conclusions and the suggestions are as follows:Conclusion:Firstly,the communality of posture angle,muscle strength,the activation order of main muscle during raising the bow, raising the bow and the timing of the raising could be used as the evaluation index of technique action in archery;Secondly,the length of the time needed in the different periods couldn\'t be used as technique evaluation index since it has no relation with the result.But the time of raising and pulling back the row is relatively fixed,and the time has a positive relation with the archery achievement of the national team in China.Thirdly,the central index of the sole pressure could be used as the reference criterion of selecting athletes and forecasting achievement.During playing archery,the interrelation between the central index of the sole pressure and the achievement is different individually and in different periods.Fourthly,there is low stability of the archery athletes in the front and back direction during the action, caused by the athletes\' posture disequilibrium of dorsal abdominal muscle and non-professional sport shoes..Fifthly,kinematics and electromyography shows that the people on archery in China haven\'t taken the raising and pulling back the row seriously.

射箭的肢体动作幅度小，简单的手段和分析不能满足其需要，笔者结合各种运动生物力学仪器优点及射箭项目的特性，选用Qualisisy红外光点测试系统、Footscan足底压力测试系统、Noraxon肌电遥测系统等对国家队射箭队运动员进行多方位的测试，运用相关软件及数理统计方法，对运动员的射箭动作技术，从射箭动作的姿态构架、肢体运动特点，身体姿态平衡稳定性、足底压力中心分布、肌电特性等进行全面分析，结论及建议如下：结论：第一，姿态角、肌肉用力激活程度、举弓阶段主要用力肌肉激活顺序、举弓、开弓时间等的一致性可作为射箭技术动作评价指标；第二，各动作阶段所用时间的长短不能作为技术评价指标，但举、开弓的时间相对较固定，开举弓时间比与中国国家队射箭成绩正弱相关达到显著性；第三，闭眼状态下足底压力中心单位面积轨迹长与144支箭最好成绩正相关达到显著性，可作为身体素质、选材及成绩预测的参考依据；实射时身体平衡的足底压力中心指标与成绩的相关程度具有个体性差异、阶段性差异；第四，射箭运动员实射时身体在前后方向上的稳定性较差，这与运动员的站立姿态、腹背肌力量的不匹配以及射箭没有专业运动鞋有关；第五，运动学及肌电学都表明中国射箭训练对举弓、开弓阶段的重视不够，背部肌肉用力特征不明显，撒放技术合理性不高。

For the design of the power circuit frame, the in-series resistance plan is applied in commutate circuit to restrain the voltage pulse caused by rising arc; while the parallel connection switch is adopted in inverted circuit to guarantee the reliability of the power at work.

在主电路拓扑设计中，整流电路采用了串联降压电阻的方法来抑制起弧时的电压脉冲；逆变电路采用了双并联开关组方案，以进一步提高电源工作的可靠性。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。