aerially

Through the classifying and combining of site condition, forest age and density, single-tree biomass, forest biomass and productivity of aerially seeded Pinus massoniana had been studied in this paper.

通过立地条件、林分年龄、林分密度的分级组合，对马尾松飞播林单木和林分生物量、林分生产力进行了研究。

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The survey was carried out aerially.

测量借助航行器来进行。

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Nutrient cycle in three types of standing density of aerially seeded Pinus massoniana of were also studied in this paper.

对3种不同密度类型的马尾松飞播林分的养分循环进行了研究。

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This paper deals with the control effect, the control cost per hectare, the ratio of investment cost and produce benefit of aerially controlling forest pests by Haiyan ultralight plane in contrast with other methods.

本文研究报道了海燕超轻型飞机同其它防治法防治森林害虫的防治效果、每公顷平均防治成本及投入产出比。

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The Development of Comprehensive Managing Expert Simulation System for Aerially Seeded Pinus massoniana

马尾松飞播林综合经营专家模拟系统的研制

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Studies on the Comprehensive Managing Technology of Aerially Seeded Pinus Massoniana Stands in Hunan Province

湖南省马尾松飞播林综合经营技术研究

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Studies of the Soil Fertility of Aerially Seeded Pinus massoniana Stands

马尾松飞播林土壤肥力研究

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A Study of the Nutrient Cycle in Aerially Seeded Pinus massoniana of Hunan Province

湖南省马尾松飞播林的养分循环研究

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It is an important factor to hinder the aerially seeded Pinus massoniana stands in Hunan Province from growing and maturing that its stand soil fertility has been quite low for a long time.

湖南省马尾松飞播林林地土壤肥力低下是制约其林分生长和发育的重要因素。

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After military forces used the wettable powder to aerially bomb mosquitoes in the malaria-ridden Pacific theater during World War II, public health authorities took the lead.

第二次世界大战期间，太平洋战区疟疾肆虐，最先是军队从空中喷洒与水混合的药粉，轰炸蚊子，之后由公卫主管机关接手负责。

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Due to their size, these patterns could only be fully taken in aerially.

因为范围广大, 只有从空中鸟瞰才能看出图案全貌.

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