After a while, he sighed and leaned back on the fallen tree trunk, arms behind his head, and looked up at the canopy of leaves above.

I sat down on a fallen tree trunk and thought deeply.

我坐在倒下的树干上，沉思起来。

Ralph sat on a fallen trunk.

拉尔夫坐在一段横倒在地的树干上。

Recently, share prices of some Internet businesses have fallen after their stock was first offered.

最近一些互联网企业的股价在上市后都跌了。

From the development trend of modern Confucianism, this new theory has fallen into the crisis of ideology, the origins of which can trace back to the remote past.

“现代新儒学”思潮在当代的发展趋向，揭示了其所面临的理论困境和思想危机。追本溯源，可以发现造成这种理论困境和思想危机的原因由来已久。

Their plans for a new stadium have fallen through.

他们建造新体育场的计划无法实现了。

Demand for new cars has fallen due to the recession.

由于经济衰退，对新车的需求减少。

By good luck, the door stood open and the duckling flew out among the bushes and the new fallen snow.

幸好大门是开着的。他钻进灌木林中新下的雪里面去。

The relapse paroxysm and long range difficult to cure nature falling sickness use medicine to lead to the dysfunction being complicated by cognition.

难治性癫痫的反复发作和长期用药又导致并发认知功能障碍。

Effect of Health Education to the Falling Sickness Paterfamilias

对癫癎患儿家长实施健康教育的效果观察

Oxidative stress plays a crucial role during the occurrence of many diseases, such as heart diseases, idiopathic pulmonary fibrosis, falling sickness, and neurodegenerative diseases.

氧化应激在很多疾病的发生中都扮演了重要角色，如心脑血管疾病，特发性肺纤维化，癫痫，神经退行性疾病等等。

Serious and instable body disease such as cerebrovascular disease, liver and kidney disease, falling sickness, disease of internal secretion.

严重或不稳定的躯体疾病患者，如严重心脑血管病、肝肾疾病、癫痫、内分泌疾病等。

It was discovered that IQ fastigium age was before 7 years and there was a falling gradient in IQ between 8-10. As a conception of "warning age" in IDD area and that of "key age" for prevention and treatment were established.

由于发现IQ高峰年龄在7岁以前及8～10岁时间有个IQ跌梯现象，故提出缺碘地区的警界年龄、防治的关键年龄概念。

Since Lancang river belongs to the typical mountainous rivers. The waterway equipped with rapid flow, large falling gradient and many bends.

澜沧江属于典型的山区河流，航道普遍存在着水流急、比降大、弯道多的特性，这些严重地威胁着船舶航行的安全。

Research shows, on mountain highway with varied falling gradient, the continuous brake mode affected together can make vehicle travels steady in the speed range.

研究表明，在坡度不断变化的山区公路上，联合作用的持续制动方式可以使汽车在上述速度范围内稳定行驶。

Children's Prediction of the Track of Objects Falling with Velocity and Its Significance for Early Childhood Education

幼儿对具初速度物体下落轨迹的预测及其学前教育意义

The calculation results show that pavement types have positive influence on thermal regime in permafrost embankments, and concrete pavement can effectively decrease pavement temperature, delay falling velocity of permafrost table, and protect the permafrost under embankments effectively.

结果表明：路面类型对冻土路基温度场有着重要影响，水泥路面的采用可有效地降低路面温度，延缓冻土上限下降速率，从而可以有效保护基底多年冻土；

In order to increase the falling velocity of sediment particles in the muddy water discharged from a clarification station of a coal-fired power station, polyacrylamide ( PAM) was added into the muddy water.

电厂净化站排出的泥水加入高分子聚丙烯酰胺（PAM）絮凝剂后，改变了泥沙颗粒的自然沉速。

An improvement to the falling velocity formula of the large-diameter raindrop in the simulated rainfall

人工模拟降雨中大粒径雨滴着地速度公式的探讨

The particle falling velocity is an important parameter in the two-phase flow.

颗粒沉速是两相流动中的重要参数。

A New Method for Calculating Particle Falling Velocity

颗粒沉速新解法