Unlike most other regions, the United States and Canada saw no climate-linked decline in food production during this period.

比如，相比于多数其他地区，美国和加拿大在此期间的作物产量就没有表现出与气候相关联的下降。

youdao

One reason is easy to collect the information, other is impact the implement of social security in latter period because of the society turbulence, production wreck, national power decline.

这样选定研究范围一是便于资料的收集，另外一个原因在于清代后期，社会动荡，生产破坏，国力衰弱，反而影响了社会保障的实施。

youdao

But from the production history of the individual well in the block, most of the Wells have such problems as short stable production period and quick production decline.

但从该区块单井的生产历史来看，大部分井存在稳产时间短、递减快的问题。

youdao

Based on these, Mr Simmons concluded that Saudi Arabia's biggest fields were already past their peaks, required ever more expensive technological fixes to prop up production and would soon enter a period of inevitable and rapid decline.

ECONOMIST: Face value

Our base estimates project that the production cost of solar cells for SunPower will steadily decline through our forecast period.

FORBES: Polysilicon Price Pop Casts Shadow On SunPower's Profits