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Autopositive: A class of photographic materials that will yield a positive image from a positive original without an intermediate negative stage.

直接正片：一种照相材料，可以无须经中间负片的步骤而把正片原稿复制为正片。

From 1996 to 2005, someautotetraploid rice had been selected and improved. T-test showed that seed setincreased obviously. The relationships among yield characters of autotetraploid ricewere analyzed.

从1996年到2005年对部分同源四倍体水稻进行了连续选择改良，T检验表明经过9年的选择改良，其结实率显著提高。

It is focused on the discussion of process parameter such as temperature, reaction period, and substrate concentration in autoxidation of o-nitrotoluene in alkali system, and the yield of o-nitrobenzalhyde is 30% under optimum condition.

论文着重讨论了碱性条件下，氧气氧化邻硝基甲苯的反应，得出了温度、时间、底物浓度、氧气流量等一般工艺参数对反应的影响，得出在较佳条件下，邻硝基苯甲醛的收率可达30％左右。

It is focused on the discussion of process parameter such as temperature, reaction period, and substrate concentration in autoxidation of o-nitrotoluene in alkali system, and the yield of o-nitrobenzalhyde is 30％ under optimum condition.

氧气氧化邻硝基甲苯的反应，得出了温度、时间、底物浓度、氧气流量等一般工艺参数对反应的影响，得出在较佳条件下，邻硝基苯甲醛的收率可达30％左右。

According to the statistical regression, the average acceleration response spectra of the elect earthquake records are satisfied with the standard response spectrum by new code. The result which is obtained by combining the displacement average spectra and the standard deviated spectra are satisfied with the simulate displacement response spectrum by new code. 2. Compare two different calculated methods of inelastic demand spectrum based on the factor of yield strength and equivalent damping ratios.

通过统计回归发现，地震动加速度平均反应谱能较好地拟合规范设计反应谱，而地震动位移谱平均值+1 倍标准差能较好地拟合规范拟位移谱；②对依据屈服强度系数计算弹塑性需求谱和依据等效阻尼比计算等效弹塑性需求谱的方法进行了对比。

Objective］ The purpose was to enhance the yield of Bacillus subtilis and reduce its production cost.

［目的］提高枯草芽孢杆菌的产量并降低生产成本。

In contrast, European economic strength, particularly in Germany, added to the upward pressure on interest rates and accordingly bond prices fell back, with the yield on the ten-year German bond rising to 4.15% over the month.

不同的是，欧洲，尤其是德国的经济增长势头进一步提升了加息压力，从而使得债券价格回落，德国10年期债券收益率在4月份升至4.15%。

The yield on the benchmark 10-year Treasury bond climbed back above the 3 per cent level for the first time since late November.

基准的十年期国债利率自11月下旬以来首次回升到3%的水平之上。

Back 'down; US back 'off give up a claim to sth; yield 放弃对某事物的要求;屈服: He proved that he was right and his critics had to back down.

他证明了他是正确的，而那些非难他的人不得不收起他们那一套。

He has been considered, the house rental yield about 9.9% more than five years after Shoufu the money back and then rent, nearly 10% of the net proceeds is earned.

他已经算过了，房子出租的收益率大概在9.9％还多，五年以后首付的钱就回来了，再租的话，近10％的收益就是纯赚的。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。