英汉例句

• Field tests showed that females gnawed significantly fewer oviposition scars on Pinus massoniana trees treated with hexane extracts of larval frass than on the control trees.

  林间驱避试验结果说明，幼虫虫粪的己烷提取物处理过的树干上的刻槽数明显少于对照树干上的刻槽数，二者具有极显着差异；

• The methods of collecting resin with Rich resin panacea(RRP) and without RRP( normal way ) were used in the resin collecting experiment of Pinus massoniana Lamb, in Paiyangshan forest farm, Guangxi.

  用丰脂灵化学采脂和常规采脂对广西派阳山林场的马尾松进行采脂试验，并取样测定木材树脂道的数量、大小与分布及木材明子化程度。

• The observation method of fixed position was used to study the characteristics of ecological environment in closing process of engineering young forest of Pinus massoniana Lamb from 1991 to 1996.

  年，对桂东南马尾松工程幼林郁闭过程的生态环境变化进行定位观测研究。

• The chemical components in the tall oil are comparable to those in the acetone extractives from the Pinus massoniana groundwood pulp.

  塔罗油的化学组成与马尾松磨木浆丙酮抽出物的化学组成相近。

• 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。

• The standard karyotypes and trypsin-Giemsa C-banding patterns of 5 geographical racest of Pinus massoniana Lamb which distribute in 2 geographical zone have been studies in this thesis.

  该研究在区划工作的基础上，进一步对马尾松种源进行了亚染色体结构水平上的分析鑒别。

• The carbon content and carbon storage of Pinus massoniana Lamb at different growing stages were measured.

  对福建马尾松幼龄林、中龄林和成熟林生态系统中各组分的含碳率和碳贮量进行了比较研究。