Where forest management plans exist, they are frequently limited to ensuring sustained production of wood, without due concern for non-wood products and services or social and environmental values.

森林管理计划的存在往往限于保证持续的木材生产，对非木材产品和服务或社会和环境价值没有给予应有的关注。

youdao

Production from both fields will be sustained at approximately 40,000 bopd.

这两个油田的产量将维持在每天约4万桶。

youdao

Rice production, the staple food of most of Asia, is already moving northwards, forcing millions of people to change ways of living that have sustained them for centuries.

亚洲大部分地区的主食作物水稻生产已经向北转移，这迫使数百万人口改变持续了数百年的生活方式。

youdao

Supply, meanwhile, continues to outstrip demand, and South African miners are yet to cut production sufficiently to provide sustained support for prices, she said.

WSJ: Platinum Signals Nagging Economic Worries

Create and maintaina network of curriculum specialists, practitioners, national officers and researchers for sustained and diversified exchange, collective production and dissemination of knowledge, as well as collaborative action in the field of curriculum.

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Shallow plowing, no crop rotation, inadequate seedbeds, and other habits sustained by lore and tradition resulted in poor production and soil exhaustion.

NEWYORKER: Testing, Testing