Therefore, appropriate stand tending measures should be taken to improve the forest structures of timber forest, so as to gain the optimum economic benefits.

必须加强用材林林分抚育使其达到合理的林分结构以使其经济效益最大化。

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In the paper the sequence of forest tending operations in black locust stands is proposed, based on results of long-term stand structure and forest yield trials.

本文根据林分结构和森林产量长期实验林的研究成果，提出了刺槐林的抚育作业次序。

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Study result shows that sulfometuron methyl tables has characteristics of good effect, high speed and easy applying to the young stand weeding, so general tending cost can be minimized.

用草灌净片剂除草抚育比人工除草抚育具有效果好、进度快、劳动强度小的特点，还能降低抚育总成本。

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"I wouldn't say one church is more traditional than another, " she said, tending a plant seedling stand last week.

WSJ: New research shows diversity among US Amish groups

If this will suffice, then no problem, but even RIM admits that consumer focus is changing and tending toward a second communications link via 3G or 4G as a stand-alone device.

FORBES: The RIM Playbook: An "Evolving Concept"