Pinus的例句大全

Gorals seldom feed on Pinus koraiensis, Picea jezoensis, Abies nephralepis ( 1 %, 0.7 % and 1.7 % , respectively ).

斑羚在冬季食红松 、 云杉 、 冷杉较少 ( 1% 、 0.7%、1.7% ).

Pineus armandicola Zhang is an important defoliator of armand pine ( Pinus armandi ).

华山松球蚜(PineusarmandicolaZhang)是华山松 ( PinusarmandiFranch ) 的重要食叶性害虫.

Community characteristics of Pinus armandii forest on the Qinling Mountains are analyzed by field survey.

通过对秦岭华山松林的野外调查,分析研究了该群落的特征和性质.

This experiment examined natural population variation in chemical constituents and pulping properties of Pinus massoniana Lamb.

研究马尾松木材化学组分、制浆性能在群体中的变异及不同伐龄木材制浆造纸适应性.

Research On the Correlation Between Crown Width and D . B . H of Pinus sylvestris var.

与樟子松冠幅与胸径的相关关系分析>>相似的文献.

Analysis of Seedling Growth Variation and Selection among Families of Pinus ussuriensis Cheng et Y . W.

与凯湖松家系间苗木生长变异规律分析及选择>>相似的文献.

Study on the Growth Effect of Interplanting Altingia under the Forest Canopy of Pinus massoniana Lamb.

与马尾松林冠下套种细柄阿丁枫生长效果研究>>相似的文献.

Main Risky Pest Monitoring of Pinus Massoniana Forests in Wuyi Scenery Spot

武夷山风景区马尾松林主要有害生物的监测

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

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。

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。

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。

Bryophyta communities and life form in Pinus massoniana woods in Wuhan Ma'an Mountain Forest Park

武汉市马鞍山森林公园马尾松林苔藓植物群落及生活型

This paper reports the results of investigation on Bryophyta Communities in Pinus massoniana forest in Ma'an Mountain Forest Park of Wuhan City.

本文报道了武汉市马鞍山森林公园马尾松林中苔藓植物群落研究结果。

Selection of Breading Resources and Fruiting-promoting Technique of Pinus tabulaeformis

油松育种资源选择及促进结实技术研究

Accumulation and biological cycle of nitrogen and phosphorus in Pinus taiwanensis community in Wuyi Mountains

福建武夷山黄山松群落的氮、磷累积和循环

The Blooming Period Observation Analysis of the Clones of Pinus massoniana Gene Pool

马尾松基因库无性系花期观察分析

Three years' ( 1988~ 1990) observation showed that blooming date and duration had a marked difference among 31 clones of Pinus tabulaeformis in the seed orchard located in Lushi County, but blooming date of different clones overlapped completely.

1988～1990年在河南卢氏油松种子园3a的观测表明：31个无性系的花期早晚和长短有较大差异，但不存在花期不遇的问题；

The paper compares and analyses growth ring width and basic density of Pinus tabulaeformis which grow in Badu forest farm of Longxian county in Shaanxi Province.

比较分析了陕西省陇县八渡林场油松（pinus tabulaeformis）木材的生长轮宽度、基本密度。

Preliminary study on allometry phenomenon of Pinus yunnanensis

云南松异速生长现象的初步研究