它们以藻类为食，防止藻类压垮珊瑚。
螃蟹在每年的这个时候会靠近海岸，恰尔特说，在那里它们以海草为食。
The crabs come closer to shore at this time of year, Child said, where they feed on the seaweed.
它们以每年超过60英尺的速度向内地迁移，融入了热带稀树大草原的丰富草地和零星的树木。
As they travel inland at speeds in excess of 60 feet a year, they merge with the rich grass and scattered trees of the savanna.
它们以竹子的果实和嫩叶为食。
它们以沙画的形式表现出来。
它们以海水中的微小物体为食，并在这个过程中帮助保持海水的清洁。
They feed on tiny things in sea water and help to keep the water clean in the process.
活跃在草原上的还有灰熊，它们以捕食野牛尸体和小牛犊为生。
The grizzly bear was also a creature of the prairie, feeding on buffalo carcasses and calves.
答案可能与它们以幼虫形式随着洋流漂流到新的喷气口的后代有关。
The answer might involve their offspring, which in their larval form drift in the currents to colonize new vents.
这种夜行性动物白天时隐藏在水底洞穴里，晚上才出来冒险，它们以小鱼、乌贼和章鱼为食。
The nocturnal animals hide in underwater caves by day, then venture out at night, feeding on small fish, squid, and octopus.
这些政策导致出现长期资源集中，也造就了一批独特的大学，它们以研究为主导且在商业上很活跃。
The effect of policies generating long-term resource concentration has also created a distinctive set of universities which are research-led and commercially active.
许多热带稀树草原和干森林植物物种被称为火生植物，这意味着它们以各种方式形成适应性，以抵御偶尔的燃烧。
Many savanna and dry-forest plant species are called pyrophytes, meaning they are adapted in various ways to withstand occasional burning.
这些无法归类的动物包括被称为奇虾的会游泳的大型食肉动物，以及叫做威瓦亚虫的软体动物，它们以岩屑和藻类为食。
These unassignable animals include a large swimming predator called Anomalocaris and a soft-bodied animal called Wiwaxia, which ate detritus or algae.
重新安排它们以获得更高的效率。
它们以海狮，海豹，小型齿鲸为食。
They prey mainly on sea lions, seals, and small toothed whales.
点击它们以得到关于该区域的直接帮助。
Just click on them to get an immediate help regarding the field they're attached to.
它们以目录的形式表示事件生成器。
最后，rake协调它们以正确的顺序运行。
Finally, a rake task coordinates running them in the correct order.
如果您已拥有用户ID和密码，请输入它们以继续。
If you already have a user ID and password, enter them to continue.
这些点不在平面上，它们以不同的方式不在平面上。
These points are not in the plane, but they are not in the plane in different ways.
它们以国家和伙伴提供的数字综合为基础。
They are based on a composite of Numbers given by countries and partners.
一些机构辩称，会计规则允许它们以成本持有衍生品。
Some institutions argue that accounting rules permit them to hold derivatives at cost.
它们以与现有节点相同的方式连接到消息流。
They are wired into a message flow in the same way that existing nodes are.
假定我们有某种放射性原子，它们以一定的几率衰变。
Suppose we've got some sort of radioactive atom, which has a certain chance of decaying.
这个物种非常成功，它们以数量级的规模进行地理扩张。
The species was tremendously successful, expanding geographically by orders of magnitude.
非洲军团蚂蚁，它们以蚁群战术攻击和啮咬任何潜在的威胁。
African army ants, whiich attack prey in a herd effort and chomp down on any potential threats.
注意：这些参数与硬件相关，因此应该调整它们以优化特定的硬件配置。
NOTE: These parameters are related to your hardware, and so you should adjust them to optimize your particular hardware configuration.
访问控制可能存在许多差异，但每次都定制它们以控制企业买主的需求。
Many variations of access control are possible, but in each case they are customized to the needs of the enterprise buyer.
有四种不同的条目种类，它们以已经定义的层级关系相互关联。
There are four different categories of items, which are all linked together within a defined hierarchy.
有四种不同的条目种类，它们以已经定义的层级关系相互关联。
There are four different categories of items, which are all linked together within a defined hierarchy.
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