The lacquer film on the rubber belts was hard to remove, so the belts were repeatedly damaged.
漆膜上的橡胶带难以消除，因此多次被损坏皮带。
On the contrary, it is hard to remove cobalt from cobalt sulphate solutions containing zinc ions.
相反，当硫酸钴溶液中含锌离子时，锌粉置换除钻较难进行。
It's very hard to remove features of a newly designed product that had existed in an earlier version.
从新产品中去掉一个老产品中业已存在功能是非常困难的一件事情。
If you have a difficult family member or relative, it is quite hard to remove them from your life completely.
如果你的家人或亲属中有这样难以相处的人，就不太可能完全摆脱。
One's reputation, like a piece of white cloth, is easy to stain while it is hard to remove the stains from it.
一个人的名声就像一块白布，很容易被玷污，但要清除这些污点却很难。
The other refused, saying that he felt it so very hard to remove from a place to which he had become accustomed.
可是它拒绝了，认为要从一个它住惯了的地方搬到他处去，它觉得很难适应，。
There appears an emulsified layer which is hard to remove between the oil-water interface in the sedimentation tank located at Longyilian united station.
大庆油田第九采油厂龙一联污水处理场沉降罐上部油水界面处出现一层难以去除的乳化漂浮物。
Cigarette smoke contains many types of carcinogenic particles which can become trapped in air-conditioners. It is also hard to remove the smell from cars even with all the windows opened.
“烟气中含有多种致癌颗粒，这些微粒会吸附在空调上。即使把车窗全部打开，也很难去除车内的烟味”。
It can be desirable to have a small and deterministic cost for locking that is known to be uncontested but where synchronization directives are hard to avoid or remove.
如果已知锁定是无争用的但是难以避免或删除同步指令，则对这些锁定花费一点小的确定的开销不失为明智的做法。
Still, you might want to add and remove entire menus, and it's not particularly hard to do so.
您可能仍然想添加或删除完整的菜单，并且这么做并不是特别难。
In simple terms, if you want superior performance, you must both remove obstacles and put in place reasons to work hard.
简而言之，如果老板希望员工有卓越的表现，既要扫清障碍，又必须给出有力的理由，才能促使员工努力工作。
There is not any standard shortcut to remove comments from a block, but it would not be hard to write a macro to do so.
没有将块注释取消的标准快捷键，但是写一个宏来完成这项功能并不难。
Layers (either physical or logical) are architectural under this definition because it's hard to change (or remove) them later.
根据这一定义，层(物理的或逻辑的)是架构性质的，因为在后期很难更改(或删除)它们。
In theory, Facebook ought to pay a price for this two-tiered structure, which makes it hard for a majority of shareholders to remove even dismal managers.
理论上，Facebook应该会为这种两极制结构付出代价。这种结构使它难以应付大多数股东，甚至是撤掉差劲的管理人员。
However, many situations are hard for ProGuard to analyze correctly and it might remove code that it thinks is not used, but your application actually needs. Some examples include.
但是，对于混淆器来说，大多数情况做出正确的分析是困难的，并且它或许会删除在它看来是无用的，但对于程序来说却确实需要的代码。
For example, the VM may be able to remove locking entirely in some situations, which makes it hard to talk about the relative cost of volatile vs. synchronized in the abstract.
例如，某些情况下VM也许能够完全删除锁机制，这使得我们难以抽象地比较volatile和 synchronized的开销。
Six months of hard work were required to figure out how to remove the contaminant-some still unidentified product of the mummification process-and obtain a sample ready for amplifying and sequencing.
经过六个月的辛苦工作以后，我们终于搞清楚了如何去除多余的杂质——甚至包括那些木乃伊制作过程中使用的未知物质，获得了可靠的DNA样品，准备进行扩增和测序。
Many presenters fail because they did not first think hard about how and what to "remove far away."
很多演讲者之所以失败是他们并没有预先想好应该“怎样”抛弃“哪些”内容。
Hard dry food is really good for my teeth. it can help to remove the residue of food.
比较有硬度的干粮是对我的牙齿很好的食物，可以帮助清除牙垢。
Cleanliness of teeth requires a bit of attention - either give your dogs regular hard bones to chew or remove the plaque build up manually.
清洁牙齿的时候需要注意—要么有规律的给犬只硬骨头咀嚼，要么要手动去除齿斑菌。
The results showed that the F-series composited brazed materials can be used efficiently to remove the residual stress within brazing join of hard alloy and steel.
实验指出，使用F系列银复合钎料，对消除上述材料焊缝的残余应力的效果明显。
Otherwise, you need to have a secondary copy placed on the hard drive, in order to remove this restriction and return its status to normal.
否则，你需要有一个辅助副本放在硬盘上，为了消除这种限制并返回其状态正常。
The road to success is hard, the best way is to remove obstacles and go towards to success confidently.
通往成功的路上是艰难的，最好的办法就是清除障碍，自信地走向成功。
They can harden into a thick cyst, and can leave behind deep, hard-to-remove scars.
他们可以把一个厚厚的囊肿硬化，并能留下深刻的，难以去除的疤痕。
The writer think that the fire from moxa cone is Warm but not Dry, it is able to Resolve Phlegm, Soften Hard Masses, Remove Blood Stasis, Reduce Resuscitation and Recuperate Depleted Yang.
古人认为艾火之性温而不燥，能化痰消积、活血化瘀，急救时又能开窍启闭、回阳固脱。采用艾灸治疗中风，非但治标，而且补阴和阳，兼以治本；
The writer think that the fire from moxa cone is Warm but not Dry, it is able to Resolve Phlegm, Soften Hard Masses, Remove Blood Stasis, Reduce Resuscitation and Recuperate Depleted Yang.
古人认为艾火之性温而不燥，能化痰消积、活血化瘀，急救时又能开窍启闭、回阳固脱。采用艾灸治疗中风，非但治标，而且补阴和阳，兼以治本；
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