土层

Or through high ridge in a field, covering terra, increasing the temperature of earth, increasing the thickness of dust and frowst in the day time can all be the methods of toting temperature.

或者通过：起高垄、覆地膜，提高土温，增加热土层厚度，白天不通气或尽量少通气方法加温。

A new method has been used to analyze the fundamental mode of surface wave and its related phase velocity, by which the disperse phenomenon has also been studied.

给出了用离散土层法求Love波和Rayleigh波基础振型及其对应波速的方法（此法可用来分析表面波特性），并实例分析了表面波的频散现象。

It shows that the termination of belowground photosynthate-C allocation achieved by tree girdling can affect soil nematodes.

环割对各土层中的食细菌线虫、植食性线虫和杂食与捕食性线虫密度无显著影响，这说明不同营养类群对环割的响应存在差异。

The effects of glume, temperature, light, GA3 and soil depth on seed germination were studied.

研究颖片、温度、光照、GA3及土层深度对其种子萌发的影响。

Soils with clay and hardpan can hold water and expand when they freeze and slide when wet.

土壤黏土、硬土层站得住脚并扩大他们在滑湿、冻结。

In the underlying strata of upstream cofferdam basis of Xiabandi Reservoir Dam located in Xinjiang, there exists the saturated soft soil which is characterized of high porosity ratio, high water content, low-intensity, high-compression, high sensitivity.

中文摘要：新疆下坂地水库大坝上游围堰基础下伏地层中存在饱和软土层，孔隙比高，含水量大，强度低，压缩性高，灵敏度高。

The boundary of Holocene has been discussed based on the first hard clay.

在宁波地区，全新世的底界不能简单地划在第一硬土层和海相层之间，海侵可能早在晚更新世末期就开始发生了。

The results show that humate compound fertilizer significantly increases root fresh weight and vigor of wheat both in the 0~20 cm and 20~40 cm soil layers, promoting root growth in these layers.

结果表明，两种供水条件下，腐植酸复合肥均可显著提高0~20 cm和20~40 cm土层小麦根系鲜重和根系活力，促进根系生长发育。

So the Hydrus 2D was selected to simulate the soil water movement in ET covers with different cover thicknesses,the simulations shown that the optimal ET cover in Wuhan area should be 120-140 cm loamy soil layer with shrub.

因此采用Hydrus 2D软件对不同土层厚度腾发覆盖系统的渗沥控制效果进行数值模拟，结果表明，在武汉地区采用120～140 cm厚度壤土层和灌木构成的腾发覆盖系统是确保渗沥控制效果的经济合理方案。

And the inverse result of kinematics for the shield hinge equipment is obtained and one-degree inverse coefficient matrix of the impact, two-degree inverse coefficient matrix of the impact and the expression of velocity, acceleration for every component are calculated, all of these lay the foundation for the following kinetics of the shield hinge equipment.

研究盾构铰接装置的能控性问题，讨论铰接液压缸的驱动力对切口环上末端力的控制能力，通过盾构前体切口环的末端力能控性，理论证明盾构铰接装置在土层中工作时切口环的可行运动与不可行运动，并得到可行运动的运动特性曲线。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失