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Principal evaluation brings many benefits. Kathy Weiss (1989) notes that it encourages communication within organizations, facilitates mutual goal setting by principals and superintendents, sensitizes evaluators to principals' needs, and motivates principals to improve. Some 97 percent of the administratorsin her study agreed that the process of evaluation had encouraged communication between principals and superintendents, and 88 percent agreed that the principals had improved as a result.

校长评鉴带来许多好处，Kathy Weiss (1989)指出它鼓励了组织中的沟通，方便於校长与督学共同目标的设立，让评鉴者感受到校长的需求，并引起校长去改善的动机，在她的研究中大约97%的行政人员同意评鉴的过程鼓励了校长与督学的沟通；88%同意评鉴的结果使校长有所改善。

Exercise also increased PKA levels by 33 percent in the brain-injured animals and 22 percent in the shams.

演习中，还增加了蛋白激酶水平的33 %，在脑损伤动物和22 %是在掩人耳目。

Besides the queen and sires, the rest of the colony is split between two groups of workers. Some 40 percent are loafers. The rest do about 95 percent of the work.

除了鼹鼠皇后和服侍的雄性鼹鼠外，余下的族群分为两组做工鼹鼠，约40％的无需劳动，余下的60％承担95％的劳作。

The invention can lead the conversion rate of quick lime during the digestion process to reach more than 95 percent and water content in digestion products to 5-10wt percent; besides, slaked lime absorbent produced has excellent desulfurization effect for Ca2 content and water content, etc.

本发明方法可使生石灰在消化过程中其转化率达到95％以上、消化产品中的含水量为5～10wt％，制备出的熟石灰吸收剂由于Ca2含量、含水量等能控制在一个较适宜的范围内，因此其脱硫效果十分理想。

The study found that 21 percent of the dogs and 7 percent of the cats snored!

研究发现有21%和7%的猫狗打呼噜！

One reason? The study found that 21 percent of the dogs and 7 percent of the cats snored!

原因之一，该研究发现，佰分之二十一的狗和佰分之七的猫打鼾。

The study found that 21 percent of the dogs and 7 percent of the cats snored!

理由呢？研究发现有21%和7%的猫狗打呼噜！

According to one recent estimate, more than 20 percent of China's energy consumption is used to produce goods for export; even after subtracting the energy embodied in Chinese imports, the figure is still 15 percent.

根据最近的一项估计，超过20 ％，中国的能源消费量是用於生产的商品出口；即使在减去能源体现在中国进口，这个数字仍然是15 ％。

According to one recent estimate, more than 20 percent of China's energy consumption is used to produce goods for export; even after subtracting the energy embodied in Chinese imports, the figure is still 15 percent.

根据最近的一项估计，超过20 ％，中国的能源消费量是用于生产的商品出口；即使在减去能源体现在中国进口，这个数字仍然是15 ％。

There was a significant decrease in sunburns among younger teenagers and an overall increase (to 39 percent from 31 percent) in those who said they regularly used sunscreen.

在青少年中发生日光灼伤的比例显著升高，经常使用防晒霜的青少年日晒伤发生率也从31升高到39。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。