be poor at相关的网络例句

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与 be poor at 相关的网络例句 [注：此内容来源于网络，仅供参考]

Where poor production exists, growth in important agriculturally based support industries is prevented.

在生产落后的地区，以农业为基础的重要支柱工业的发展就会受到阻碍。

To solve the poor economic and dynamic performance at high engine speed, a new crank shaft mechanism of air powered engine was proposed.

为解决高转速下动力与经济性能的下降，提出一种新的气动发动机曲轴连杆机构。

This makes the thermal contact between the air and the thermometer very poor.

这使得空气与温度计的热接触很差。

It is capable of air-breathing, thanks to an auxiliary respiratory organ, and can withstand very poor water conditions, making it an easy fish to keep in the aquarium.

它有空气呼吸的能力，因为有能辅助呼吸的器官，并能承受恶劣水环境，使它成为一个容易生活在在水族馆的鱼。

These air-breathing organisms are not dependent on high and are generally pollution tolerant, and can therefore live easily in water of poor quality

对污染物敏感的微生物仅见于急速流动的冰凉的溪水中，因为溪水中污染物很少，溶解氧较高。

The direct removal of coal ash by the negative pressure generated by a negative pressure fan,features less investment,simple system,simultaneous carriage and sorting ,and good airtightness,but its stability is poor,and it causes serious wear of pipeline and negative pressure fan as well.

负压取灰是利用负压风机所产生的负压将干灰直接取出的一种取灰方式，具有投资小、系统简单、可以同时实现输送和分选及密闭性好等优点，但是稳定性比较差，对管道和负压风机磨损较为严重。

Incidence of AKI after LDLT is quite high and the prognosis is poor.

关注AKI发生的危险因素可能有助于预防活体肝移植术后AKI的发生，改善患者预后。

The incidence of AKI post-OLT is quite high and associated to the poor prognosis in short and long periods.

肝移植术后患者肾功能逐渐减退，术后AKI发生的程度与术后长期肾功能减退有关。

Aladdin and his mother lived in China. They were too poor to have enough food.

阿拉丁和他的母亲生活在中国，他们很穷，没有足够的食物。

But alas, I am very poor.

但很可惜，我很贫穷。