中期

By the mid 1970s, some 80 to 90 percent of the Chinese people were literate.

还要低。到70年代中期，80%至90%的中国人都具备了读写能力。

We also found that the content of Na(superscript +), K(superscript +) and proline in leaves varied with different treated days. Under all treatments, the absorption of Na(superscript +) increased and the content of proline in leaves decreased with the prolonging of treated days. The absorption of K(superscript +) measured on the 7th day and the 21st day increased and was restrained on the 14th day, which lead to the decline of K(superscript +)/Na(superscript +) ratio. While the content of praline measured on the 14th day remarkably increased with the increase of salinity. Our experiment indicated the live oak seems to adapt the salt stress by increasing the absorption of K(superscript +) during the earliest and late stages of salt stress and accumulating proline in leaves during the middle stage of salt stress.

同时发现，盐胁迫处理不同时期对叶片脯氨酸含量和Na、K含量的影响各不相同，在处理7d和21d时，叶片对Na和K的吸收量均有增加，使K/Na维持相对稳定的比值，而脯氨酸含量随NaCl质量质量浓度的增加减少；在处理第14d时，对Na吸收增加的同时，抑制了对K的吸收，导致K/Na比值随NaCl质量质量浓度的增加而迅速下降，而此时叶片脯氨酸含量随着盐质量质量浓度的增加而迅速增加，表明在盐胁迫早期和晚期，弗栎可能通过增加对K的吸收以减轻Na离子毒害效应，而在盐胁迫中期，叶片积累脯氨酸是适应盐胁迫的方式之。

Results showed that enzyme activities were significantly different, urease activity: park＞school＞residence＞industry＞road; phosphatase activity: park＞industry＞school＞residence＞road; invertase activity: residence＞park＞industry＞road＞school; But the dynamic patterns of SOC mineralization from different functional areas were similarly, the rate of SOC mineralization decreased quickly at the beginning, and then decreased slowly during the middle incubation time, and keep relatively constant during the later incubation time, and fitted to logarithmic equation with incubation time.

结果表明：不同功能区土壤酶活性差异显著，脲酶：公园＞学校＞居民区＞工厂＞道路；磷酸酶：公园＞工厂＞校园＞居民区＞道路；转化酶：居民区＞公园＞工厂＞道路＞学校；但不同功能区土壤有机碳矿化过程动态表现出相同规律，在培养前期有机碳矿化速率迅速下降，培养中期缓慢下降，培养后期保持相对稳定的趋势，有机碳矿化与培养时间符合对数关系；整个培养期内，土壤有机碳矿化速率及累计矿化量公园＞工厂＞道路＞学校＞居民区。

This was a major area in the logging and paper industry in the mid-19th and early-20th centuries.

这儿是19世纪中期及20世纪初期的主要的伐木及纸浆工业区。

They are thought to have been made first in the Loire district of France in the mid-15th century.

传说百花挂毯最初是15世纪中期在法国罗亚尔河地区制作的。

Brazil and Mexico in the medium and long term the market is stable.

巴西和墨西哥在中期和长期的市场是稳定的。

Long-stemmed roses can be taken more safely after mid-season.

长梗玫瑰可以采取更安全地在赛季中期。

Short-term, intermediate-term and long-term bond funds will have different durations.

短期、中期和长期债券基金有不同的存续期。

The first and most recent development is the steepening of the U.S. Treasury yield curve and the rise of intermediate and long-term bond yields .

第一种方法，同时也是最近发展趋势，是让美国国债的收益率曲线变陡，提高中期以及长期债券的收益率。

This is our medium and long-term goals.

这是我们的中期和长期目标。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。