In order to lessen harm to reservoir in well workover process, this article introduces the technology of shielding and temporary plugging on gas well.

为了减少修井过程中的储层损害，文章介绍了气井屏蔽暂堵工艺。

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Expansive soil is a kind of swell-shrinking clay with strong damaging to highway. In order to lessen the damage, some efficient measures must be taken with from design.

膨胀土是一种吸水膨胀、失水收缩、胀缩变形显著的粘性土，其主要工程性质对公路有比较强的破坏作用，要减少膨胀土对路基路面的破坏，必须从设计上采取措施加以处理。

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In addition, programmers have come up with all sorts of algorithms and tricks such as Alpha-Beta pruning, Negascout, and MTD(f) in order to lessen the number of nodes the computer must examine.

此外，程序员们也提出了很多算法和技巧来减少节点数目，比如阿尔法 贝塔剪枝算法（Alpha-Beta pruning），Negascout搜索算法以及MTD（全称是：Memory enhanced Test Driver，即记忆增强测试驱动，译者注）方法。

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Second, the administration shifted the date for some corporate income-tax payments from September 15th to October 1st, the first day of the 2002 fiscal year, in order to lessen the impact of next year's cut.

ECONOMIST: George Bush's excuses only half wash

The government is also due to begin a public consultation before the end of the year on whether to introduce plain packaging for cigarettes in order to lessen their marketing appeal to young people, help make health warnings more effective and help reduce the number of smokers.

BBC: Cigarette vending machines banned in England

One other quick point: you may want to start with an out of the money call butterfly or put butterfly in order to lessen the probability of another party exercising an option you sell, as it is detrimental for them to do so while the option is out of the money.

FORBES: Still Flying Into Housing Stocks? Consider This Options Strategy