大沙漠

Sahara is the biggest desert in the world.

撒哈拉沙漠是世界上最大的沙漠。

A The Sahara is the biggest desert in the world.

撒哈拉沙漠是世界上最大的沙漠。

Eg: The Sahara is the biggest desert in the world.

撒哈拉沙漠是世界上最大的沙漠。

Africa's Sahara is the largest desert of all.

非洲的撒哈拉沙漠是世界上最大的沙漠

The Sahara is the largest desert in the world.

撒哈拉沙漠是世界最大的沙漠。

The results indicated that the earth's surface temperature and air temperature of the desert comparing the oasis of the variety range are higher and ascend and descend of the speed are quicker; As the ascend and descend changes of air relative humidity and temperature are different at each observation spot, the variety curve of the air pressure of daytime shows the single type of wave; At each observation spot the predominant direction of wind was mainly souther, still having the southeast or southwester at 12:00-18:00; Wind speed almost is 0 at 20:00; The clean radiation at the morning and the evening of desert are higher than in oasis, the clean radiation in oasis in the daytime is bigger than in desert.

结果表明，沙漠地表面温度和气温升降速度比绿洲观测点要快、变化幅度大；由于各观测点空气相对湿度和温度升降度不同，使得各观测点的气压升降幅度也不同，白天气压的变化曲线呈单蜂型；各观测点在12：00到18：00期间主导风向主要是南风，还有东南或西南风，在20：00时风速几乎为0；早上和晚上沙漠的净辐射高于绿洲，白天近地面净辐射绿洲大于沙漠；对绿洲气象要素时空效应特征分析，为棉花等绿洲优势作物的播种期、物候期、作物生育及生理生态特性具有一定的指导意义。

Ancient times the Babylon civilization located the environment belonged to the subtropics desert climate, but benefitted from two rivers, young sent pulls the bottom river and the Tigris River mother's gracious gift, was having the exceptionally broad impact plain, but by was in the arid few rain in the middle of the desert climate, on the one hand thus created the local wooded area to be very few, on the other hand was the great plains which so stretched to the horizon smoothly like baffles, from this has become the sierra absolute forbidden area, from this occupied the plain center region people, even if wanted to use the firm stone material, also could because was far away, either was gives way before difficulties looks Shi Xing to sigh, either was after pays the extremely soaring price, shipped in by farSeveral stones only can use in actually carving the magnificent precious tombstone, even was in some plain person all not once has seen the mountain appearance for a lifetime, in brief took root in two river basin Cuban Billen civilization, finally is framed was the soil texture civilization, they created the cuneiform character, all could not but engrave above the thin clay tablet, was recording the exceptionally precious history, obviously in the different region humanity, all was influences subtly sparely no effort regarding the side each kind of environment resources use.

古代巴比伦文明所处的环境属于亚热带沙漠气候，但得益于两条河流，幼发拉底河与底格里斯河母亲般的恩赐，拥有着异常广阔的冲击平原，但由处于干旱少雨的沙漠气候当中，从而造成一方面当地森林面积很少，另一方面就是如此一望无垠平坦如砥的大平原，由此成了山脉的绝对禁区，由此处在平原中心区域的人们，即使想使用坚固的石头材料，也会因为路途遥远，要么是知难而退望石兴叹了，要么是在付出极为高昂的代价后，远远运来几块石头却只能用于雕刻华丽珍贵的墓碑，甚至是有些平原中的人一辈子都不曾见过大山的模样，总之植根于两河流域的古巴比伦文明，最终被定格为土质文明，就连他们所创造的楔形文字，都不得不刻印在薄泥板之上，来记载着异常珍贵的历史，可见不同区域内的人类，对于身边各种环境资源的利用都是潜移默化不遗余力的。

The Sahara Desert is the biggest in the world Of desert.

撒哈拉沙漠是世界上最大的沙漠。

Sahara Desert is the world's largest desert.

撒哈拉沙漠是世界上最大的沙漠。

The straw-checkerboard sand barriers paving robot can insert grass to establish straw-checker sand barriers that prevent wind and fix sand.The robot is used in desert,and the trafficability in desert is the key factor of its properties.

引言由于沙漠中沙土松散，附着力小，道路阻力大，因此草方格铺设机器人在沙漠中的通过性是防风固沙草方格铺设机器人研究课题[1]的关键。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。