Several of the craters have extensive ray systems.

些陨石坑有大量射纹系统。

And also they have extensive root systems to collect water from a large area.

它们还有广泛的根系，可以从大面积收集水分。

In addition, there is an extensive glacier system, endless forests, and innumerable lakes throughout this highland area.

此外，还有一个广大的冰河系统、无止尽的森林和数不尽的湖泊遍布在这个高原带。

Submarine drones uncovered an extensive system of underwater " rivers" of dense, salty water along Australia's continental shelf.

海底无人机在澳大利亚大陆架沿岸发现了一个巨大的地下水“河流”系统，流着的是稠密的含盐水。

They did not find an extensive system of tunnels throughout.

他们没有在整个过程中发现广泛的隧道系统。

2 Great Barrier Reef The most extensive coral reef system On the face of the earth!

2 大堡礁 地球表面最广泛的珊瑚礁系统！

Over an area of more than 900,000 square kilometers, its people built massive administrative centers, temples, and extensive road and canal systems.

领土面积超过90万平方公里，这个帝国的人民建造了庞大的行政中心和庙宇，以及四通八达的道路和运河系统。

Although kings claimed absolute power, we know that an extensive system of courtiers, provincial officials, and scholars influenced affairs.

尽管国王拥有绝对权力，但我们知道，朝臣、省级官员和学者组成的广泛体系影响着事务。

And from Australia: Submarine drones uncovered an extensive system of underwater " rivers" of dense, salty water along Australia's continental shelf.

来自澳大利亚： 潜艇无人机沿着澳大利亚大陆架发现了一个广泛的水下“ 河流” 系统，该系统由浓密的咸水组成。

One would need to be extremely naive to believe that a more extensive digital surveillance system is likely to benefit the weak and the poor.

相信一个更广泛的数字监控系统有可能造福弱势群体和贫困者的人必须极其天真。

The cities were found to be connected by 110 miles (177 kilometers) of " highways" in May, which consisted of the " world's first-ever extensive system of highways" .

今年 5 月科学家发现的这座城市遗址由长达 177 公里、“世界上首个巨大的高速公路系统”。

The cons are that it's pretty granular, and so if you've got a plant with really extensive root systems, it can fill in those gaps pretty quickly, and it can cause some problems.

缺点是它质轻，所以如果你有一株根部区域比较松的植物，它可以很快填补这些，这可能会导致一些问题。

Despite the scheme requiring an extensive amount of demolition works prior to construction, the project team sought to recycle 75% of demolition waste; and used an extensive tracking system to identify locally sourced materials, minimising transport emissions.

尽管该工程要求在施工前进行大量的拆卸工程，但项目小组仍设法回收 75% 的拆卸废物，并采用广泛的追踪系统来甄别本地物料，尽量减少运输过程中的废气排放。