A down-flow biological filter is used for the groundwater iron and manganese.
以生物滤柱为反应器，对含铁、锰地下水进行处理。
The experiment result showed, the form-film time of up-flow BAF was lower than down-flow BAF, and the kind of microbe in the reactor was abundant.
试验结果表明，上流式曝气生物滤池的挂膜时间略少于下流式曝气生物滤池，两种运行方式的生物相丰富；
The water was always laden with pebbles, gravel, and sand, known as glacial outwash, that was deposited as the flow slowed down.
水里总是遍布鹅卵石、砾石和沙子——它们被称为冰水沉积，是在水流减缓时沉积下来的。
Re-routing Russian rivers to increase cold water flow to ice-forming areas could also be used to slow down warming, say some climate scientists.
一些气候科学家说，为增加流向结冰地区的冷水流量进行的俄罗斯河流改道，也可以用来减缓气候变暖。
When we travel down a well-known route, because we don't have to concentrate much, time seems to flow more quickly.
当我们行驶在熟悉的线路中，因为我们不必聚精会神，时间似乎流逝得更快些。
Suddenly, I saw her lips begin to tremble and tears begin to flow down her cheeks.
突然，我看到她的嘴唇开始颤抖，眼泪开始从她的脸颊流下。
Every time we wash our jeans, tiny bits of denim will flow out of our washing machines, down into the world's rivers, lakes and oceans.
每次我们洗牛仔裤的时候，小块的牛仔布就会从洗衣机里流出来，流入世界上的河流、湖泊和海洋。
The basic flow is a straight line down, while alternative flows are usually the loops going either back or forth.
基本流程是一条向下的直线，然而可选流程可以是向前或向后的循环线。
Let's say you are spending a boatload on hardware to ramp up your web service's capacity. And it is bringing your cash flow down.
再举个例子，如果你在硬件上花费一大笔钱来提升你网络服务的能力，那么将会使你的现金流下降。
Instead, changes in team A work should flow to the mainline and then down to team B work.
实际上，在团队A工作分支中发生的变更应该流回到主线中，再向下进入到团队B的工作分支中。
A deeper understanding of business process flow, gained by drilling down into applications.
通过深入应用程序内部，得到对业务流的更为深入的理解。
Buying real estate nothing down is easy; handling negative cash flow, repairs and other expenses in the meantime is the trick.
买了房地产最后却空手而归是常见的，有人说他能同时处理好负现金流，维修和其它费用只是骗人的罢了。
Stovepipe: a structure that supports mostly up-down flow of data but inhibits cross organizational communication.
烟囱(Stovepipe)：结构上支持数据主要在上下方面的流动，却禁止平行的通信。
Since diamonds stick to grease, they are left behind by the rocks and mud which flow down the tables.
因为钻石会粘在油脂上，所以岩石和泥浆流下桌子，而钻石留了下来。
Recently, there has been progress towards durable water treaties for several big African river systems, such as the waters that flow down off the Lesotho highlands.
最近，一些有关非洲大型河流系统（比如流向莱索托高地的河流）的稳固的水协议正取得积极的进展。
A major characteristic of good architecture is layering components such that dependencies between modules flow down through the architecture.
优良架构的一个重要特点就是通过组件分层使模块间的依赖流畅贯穿于整个架构。
And suddenly I saw her lips begin to tremble and tears begin to flow down her cheeks.
突然，我看见她的嘴唇开始颤抖，眼泪顺着她的脸颊落下。
As a result, enablement cannot only be treated as a top-down flow of knowledge from a worldwide team.
因此，实施不能仅仅看作是由来自世界范围团队知识构成的组织严密的流程。
In a well architected process, exceptions should not cause a process to fail; instead, the work flow travels down a path specifically designed to deal with that exception (the exception path).
在架构良好的流程中，异常不应导致流程本身失败；相反，工作流应该遵循一条专门用于处理异常的途径(异常途径)。
A number of methods are used to route messages down different paths within a mediation flow.
可以使用许多方法按照不同路径在中介流内部传递消息。
When there's a smaller gradient, air is often able to flow down from the Arctic.
而当它们之间只有一个较小的气压梯度时，风就能够经常从北极区向南吹。
Road travel is also still dangerous as water continues to flow down from mountains, while minor landslides occur from time to time.
道路行驶也依然很危险，因为水继续从山上向下流，有时还发生小型的山体滑坡。
Scientists think the best explanation for the gullies is that seasonal melting of nearby water ice creates slurries of sand and liquid water, which flow down the crater's dunes.
科学家认为这些沟壑形成的最佳原因是，附近的水冰因季节性消融而形成的沙浆及液态水流下山丘形成了这些沟壑。
The free flow of new ideas slows down and newer, better ways of doing things grind to a halt.
新想法的自由交流变得缓慢，那么更新的更好的做事方式就会停滞不前了。
Companies with top-down management cultures and controls on the flow of information probably aren't ready for the era of employee blogging.
对于管理文化和信息流控管是自上而下的公司，可能还没有准备好员工博客时代的到来。
Company engineers were due to begin pressure tests on the new cap late Tuesday, gradually closing its valves to shut down the flow of oil.
工程师们将于周二晚开始对这种新型防漏罩进行压力测试，并逐渐关闭其阀门以终止漏油。
Company engineers were due to begin pressure tests on the new cap late Tuesday, gradually closing its valves to shut down the flow of oil.
工程师们将于周二晚开始对这种新型防漏罩进行压力测试，并逐渐关闭其阀门以终止漏油。
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