某专家表示，这可能是自数十年前搜索泰坦尼克号之后最困难的残骸回收任务之一。
One expert said it could be among the hardest recoveries since the decades-long search to find the Titanic.
如果你分配了native资源，及时回收这些资源是很困难的。
If you're allocating native resources (memory on the native heap, file descriptors, or whatever), it can be significantly more difficult to arrange timely collection of these resources.
寻找足够的电子零件进行回收也成为Dowa的一个困难，从全球来回收那就更困难。
Finding enough electronics parts to recycle has also grown more difficult for Dowa, which procures used gadgets from around the world.
电池回收计划通常针对按钮和镍镉电池，但由于消费者在识别不同类型的电池的困难可能会收集所有的家用电池。
Battery collection programs typically target button and nickel-cadmium batteries, but may collect all household batteries because of the consumers' difficulty in identifying battery types.
轻烃回收系统庞大，工艺流程复杂，约束条件很多，从整个大系统的角度去求解优化问题存在很大困难。
From the view of whole large system, it was difficult to solve optimization problems for light hydrocarbon recovery system because of complex technics flow and constrained conditions.
针对回收污水中超稠油破乳脱水困难等问题进行了原因分析。
This paper analyzes the reasons of difficulty in demulsification and dehydration of super heavy oil during sewage recovery.
主要是针对木材出口严格，以及部份化工行业对塑料桶、铁桶成本贵、回收困难等问题而开发！
Mainly aimed at strict timber exports, as well as some of the chemical industry of plastic barrels, drums cost of expensive, difficult issues such as recovery of developed!
采用空气-空气能量回收装置(AAERE)预处理新风，可以解决风机盘管干工况运行中的困难。
Using air-to-air energy recovery equipment (AAERE) to pretreat fresh air can solve the problem of the application of dry coil condition.
金属矿床地下开采形成的大量采空区不仅危及矿山的安全，而且对资源的充分回收造成严重的困难。
Large Numbers of cavities formed by the underground mining of metal mineral resources not only endanger the mine safety but cause great difficulties in a full recovery of the resource.
但是由于存在易凝聚和难回收等缺点，给实际应用带来了一定的困难。
On the other, it can not be applied extensively for the shortcomings of coacervation easily and reclamation difficulty.
为了用重选法回收锡石，大厂锡矿需先用粗粒优先浮出硫化矿石，但分选比较困难。
In order to recover cassiterite by gravity separation, it is necessary to separate sulphide minerals from the Dachang cassiterite ores by coarse preferential flotation.
排风携带的粉尘颗粒更微细，回收这部分细粉比较困难，因此，生产过程中跑粉现象比较多见。
It's even hard to recover those micro particles carried with ventilation. So, the losses of particles often happen in the production.
排风携带的粉尘颗粒更微细，回收这部分细粉比较困难，因此，生产过程中跑粉现象比较多见。
It's even hard to recover those micro particles carried with ventilation. So, the losses of particles often happen in the production.
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