We should try to achieve this objective by 1970 through careful and rational planning.

我们好好精打细算，合理规划，争取在一九七○年达到这个目标。

youdao

Scientific and rational planning of green land will make a crucial effect on the improvement of urban environment.

科学合理的绿地规划对城市环境的改善具有至关重要的作用。

youdao

The first is to be achieved through rational planning of employment and residential areas.

第一条是通过对就业和居住区域的合理规划达到的。

youdao

The tone of the document implies that a rational, long-term planning mechanism is in place.

BBC: Africa

This he believes will encourage business growth and lead to more rational long-term urban planning and infrastructure development.

CENTERFORSECURITYPOLICY: Freedom Flame 2013

Mr. STEVEN SCHOONER (Co-Director, Government Procurement Law Program, George Washington University): The fear at this point is there does not seem to be a centralized, sophisticated, well-organized planning institution within the government that's going to make good, rational, long-term decisions as to how the reconstruction is done before the government starts throwing money at the problems.

NPR: Katrina Recovery Contract Oversight Questioned