这一点很重要，因为理论表明，当目标鱼种的生物量为其原始水平的50%左右时，渔场才能达到可收获的最大可持续产量。
That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.
你努力改善自己的饮食和锻炼习惯，并且取得了体重在量上可以看得见的持续下降来作为回报。
You've diligently worked to improve your diet and exercise habits and you've been rewarded by seeing the number on the scale continue to drop.
你努力改善自己的饮食和锻炼习惯，并且取得了体重在量上可以看得见的持续下降来作为回报。
You've diligently worked to improve your diet and exercise habits, and you've been rewarded by seeing the number on the scale continue to drop.
一个对于开放平台来说必备的插件的用户量正在持续上升——收入呢？
A must-have gadget for an open platform that continues to grow in popularity - and a revenue stream?
就铅接触而言—甚至较低量—持续接触可产生严重影响，如贫血、不舒服和损伤神经系统。
In the case of lead exposure - even at relatively low levels - continuous exposure may have severe effects, such as anaemia, malaise, and damage to the nervous system.
DS8700 旨在用其优良的数据吞吐量以及面向数据持续可用性的设计支持要求最高的业务应用程序。
The DS8700 is designed to support the most demanding business applications with its superior data throughput and a design for continuous data availability.
这预示着持续的通货紧缩压力和更低的销售量。
This points to sustained deflation pressure and lower sales volumes.
欧洲委员会的环境和可持续性研究院准备开展一项对碳足迹量定方法的分析。
The European Commission's Institute for Environment and Sustainability is about to launch an analysis of footprinting methods.
另外，如果投资者持续买入供应量未扩张的货币，其货币价格就会上涨。
Also, if investors just kept buying a currency whose supply was not expanding, its price would rise.
日本银行认为，日本的持续通缩的一个重要原因是经济潜在增长率低和生产率低，货币量宽松政策未能解决这个问题。
The BOJ believes that a big cause of Japan's persistent deflation is the economy's low potential growth rate and low productivity, which quantitative easing fails to solve.
心脏舒张血压是指两次心跳之间血管内的血压量——如果心脏舒张血压保持持续高涨的话，将会增加患中风或者心脏病的风险。
Diastolic blood pressure is a measure of pressure in the blood vessels between heartbeats - if it is persistantly high it can increase the chances of stroke or heart attacks.
许多人也许会认为在计算机时代铅笔已经过时了，但是它的销售量却在持续增长。
Many people thought that pencils would become obsolete in the computer age, yet sales continue to grow.
动态分析-流程对比分析-流程持续时间对比——在这一报告(图18)中，您可以看到没有瓶颈的限制，流程的吞吐量增加了许多。
Dynamic Analysis - process Comparison Analysis - process Duration Comparison a "In this report (Figure 18), you can see that the process has much better throughput without the bottleneck."
更糟糕的是，经济衰退期间，由于互联网的持续攻击，邮政量似乎没有反弹的迹象。
Worse, volumes are not likely to rebound when the economy does, thanks to the continuing assault from the Internet.
该航空公司同时也表示了其有“信心”保持持续的增长趋势和强劲的旅客量增长，而与此同时竞争对手在削减运力。
The carrier also continues to maintain that it is "confident" that the growth trend would continue and passenger Numbers will remain strong, as competitors continue to reduce capacity.
有些性能测试拥有稳定状态下指定持续时间内业务交易上的非功能性需求量。
Some performance tests have non-functional requirements for volumes of business transactions achieved over a specified duration in a steady state.
如果所有线程堆栈的数量大于活动线程的数量，且在程序运行时两者的差量在持续增长，您可以确定内存泄漏问题确实存在。
If the number of all thread stacks is greater than the number of active threads, and their dispersion continues growing as the program keeps running, you can conclude that the leak problem does exist.
价值链 就是帮助团队和机构更好地理解工作的持续时间，以及有多少消耗量。
Value chains are a technique to help teams and organizations develop an understanding of how long things take and how much waste there is.
由于需求持续增长，上月中国石油与铁矿石进口量创下纪录。
China notched up record imports of oil and iron ore last month, amid rising demand for exports.
商店停业，加盟商申请破产，还有销售量的持续下跌。
Stores were closed, franchisees filed for bankruptcy and sales continued to fall.
这份陈年老报的发行量持续下跌，美国发行量审计局最新的数据显示该报发行量再次下跌3.9%。
The Grey Lady’s circulation is tumbling, down another 3.9% in the latest data from America’s Audit Bureau of Circulations (ABC).
同乐观锁定策略相比，物理数据库锁需要持续较长的时间，因此应用程序性能和吞吐量很可能会受到影响。
As physical database locks are held for a longer time duration than with an optimistic locking strategy, there is more of a chance for performance and throughput being impacted.
尽管房产市场持续有交易达成—最近的数字表明销售量正下降，房价急剧下跌并且空房的数量在增长—但是经济情况仍旧疲软而非急转直下。
Although the housing market continues to contract-the latest figures show sales falling, prices tumbling and the number of vacant homes soaring-the economy is limping rather than slumping.
水持续蒸发，冷凝，沉降。在全球范围看来，蒸发量约等于沉降量。
Water continually evaporates, condenses, and precipitates, and on a global basis, evaporation approximately equals precipitation.
在重庆市公共安全方面，打黑的效果立竿见影，例如，报警量急速下降了40%，不过这属于临时性的，其效果不太可能持续长久。
The crackdown has had an immediate impact on public safety in Chongqing - calls to police are down 40%, for instance - but its temporary nature means that the results are unlikely to be permanent.
在这个场景中，对于非持续性事件过滤器a的吞吐量比过滤器b高30%，对于持续性事件则比过滤器b高16%。
In this scenario, for non-durable events Filter a achieved 30% better throughput than Filter b, and for durable events Filter a was 16% better.
在这个场景中，对于非持续性事件过滤器a的吞吐量比过滤器b高30%，对于持续性事件则比过滤器b高16%。
In this scenario, for non-durable events Filter a achieved 30% better throughput than Filter b, and for durable events Filter a was 16% better.
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