In India, for example, many rural inhabitants have no access to power or running water, meaning that any low-cost water purifier must be able to operate in the most basic environment.
例如，在印度许多农村居民没有电或自来水，也就是说，任何低成本的净水器必须能够在最基本的自然环境下工作。
The tax planning is a basic right of taxpayer, but should obeys the laws and regulations, the cost benefit principle etc, no challenge to tax law.
税务筹划是纳税人的一项基本权利，但应该遵循守法、成本效益等项原则，不可恶意挑战税法。
By experimental study, two phase flow measuring method was put forward on the basic of the no flow pattern identification, which could solve the oil well measuring problem by a low cost.
通过实验分析，提出建立在无流型识别基础上的两相流流量测量方法，用较低的成本解决油井计量问题。
By experimental study, two phase flow measuring method was put forward on the basic of the no flow pattern identification, which could solve the oil well measuring problem by a low cost.
通过实验分析，提出建立在无流型识别基础上的两相流流量测量方法，用较低的成本解决油井计量问题。
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