低下

She dropped her eyes, and he pursued his way.

她低下了眼睛，他也继续往前走。

Had it been left to him, he would have puttered around feebly, gardening in his own futile and individualistic way.

如果不加以组织，各个农民势孤力弱，就只能用那老一套的效率低下的单干方式种地。

Therefore, aiming at the phenomena of overloading and inefficient Business Sporting Systems due to increasing reduplicated TTDP, the algorithm of conflict detection for reduplicated TTDP was proposed and automatic conflict detection was implemented with combination of expert platform. Each discount policy was expressed into the conditional part and conclusive part with traditional knowledge expression method and applying idea of the representative algorithms of conflict detections such as Rete and improved Rete algorithms.

针对重复套餐增多致使业务支撑系统不堪重负而出现效率低下甚至宕机的现象，运用人工智能知识表示的方法将电信资费每条优惠规则表示为条件部分和结论部分，采用当前有代表性的冲突检测算法Rete算法和Rete改进算法的思想，提出了优惠规则冲突检测算法，与专家平台相结合，实现了优惠规则的自动化冲突检测。

Even where they have been fixed, notably in the big cities, the work is often so poor that they need to be repaved two or three years later.

即便有些地方的道路已被修好，但由于施工技术水平往往是非常低下，以致于在两年或三年以后还需要重新铺路。

The river had stolen from the higher tracts and brought in particles to the vale all this horizontal land; and now, exhausted, aged, and attenuated, lay serpentining along through the midst of its former spoils.

苔丝的确希望行为正直地往前走，而她的父亲完全不是这样；但是对眼前一点点成就就感到满足，不肯付出艰苦的努力把低下的社会地位向前推动，她却像她的父亲。

Space concept--sandwich biscuit or hamburger In respect of the present system of Crystal Island, space is singularized and homogenized in function setup; behavior activity assumes single space-time mobility, CBD in the daytime and empty city in the evening; the ground space was cut by fast roads, the space interface and walking system are not continuous; underground space is short of centralized management and the transfer system is very low in efficiency.

空间 水晶岛空间现有体系，功能设置单一化、均质化；行为活动单一时空流动性，白天CBD、晚上空城；地面空间被快速道路切割，空间界面与步行体系不连续；地下空间各自为政，换乘体系效率大为低下。

Results:The extreme spindles occurred in 39 of 498 diseased children.

极度纺锤波的患儿，智力低下的出现率为43.5％，明显高于对照组（16％，P〈0.05）。

Objective To evaluate the relations between regional myocardial blood flow and function at rest and to investigate the mechanisms of the reversible regional myocardial dysfunction in the setting of chronic coronary stenoses.

目的 评价慢性冠脉狭窄时心肌收缩功能与心肌血流的关系，以探讨慢性可逆性左室收缩功能低下的发生机制。

Even if she survives, she may suffer mental and physical stunting, heart disorders and a weakened immune system.

就算能活下来，她的智力和身体也可能会发育不良、心脏紊乱、免疫功能低下。

Even if she survives, she may suffer mental and physical stunting, heart disorders and a weakened immune system.

即便她能够存活下来，也会有一系列的后遗症：神经系统萎缩、肌肉萎缩、心脏病以及免疫功能低下。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。