Because the cost of a page fault is high, it is desirable that a garbage collector properly manage locality of reference.
因为页面错误的成本很高，所以垃圾收集器正确管理引用的区域性(locality)是很必要的。
Small initial heaps reduce fragmentation by encouraging the collector to perform compactions early, when the heap is small and the cost of compaction is lower.
小的初始堆通过鼓励收集器尽早执行紧凑排列来降低碎片率。当堆很小时，紧凑排列成本很低。
Because of its high performance, simplicity and cost effectiveness, the most common solar collectors are used in solar panels in a flat plate collector.
由于其高性能、简单和成本效益，最常见的太阳能收集器用于太阳能热水器在釉平板集热器。
Due to the use of amine collector, the double reverse floatation flow had overcome the shortage of heating in the routine floatation of phosphorus, and its drug cost was relatively low.
双反浮选流程由于使用了阳离子胺类捕收剂，一定程度上克服了胶磷矿常规浮选需要加温的缺点，并且药剂成本较低。
This system consists of the movement state test collector hardware and the application software of the system, which improves the test accuracy, decreases the cost and simplifies the installation.
系统主要由运动状态检测采集器的硬件设计和系统应用软件两大部分组成，采用该装置提高了检测精度，降低了成本，简化了安装。
Based on many typical engineering examples of gas and solar heating system, the relationship between the solar collector area and the fabrication cost of solar collection system is gained.
根据多项典型燃气与太阳能联合供热系统工程实例，得到太阳能集热器面积与太阳能集热系统造价间的关系。
With copper ring instead of silver ring, this collector is fully reliable for measurement and able to largely reduce its manufacture cost.
它以铜环取代了银环，测试效果完全可靠，并大大降低了集电器的制造成本。
With copper ring instead of silver ring, this collector is fully reliable for measurement and able to largely reduce its manufacture cost.
它以铜环取代了银环，测试效果完全可靠，并大大降低了集电器的制造成本。
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