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- Study on the Natural Thinning of Population in Man-made Japanese Larch Forest. 日本落叶松人工林种群自然稀疏规律的研究
- Research on the diameter structure of Japanese larch with distribution of Weibull was made. 利用W e ibu ll分布对日本落叶松直径结构进行研究。
- As a result,Japanese larch should be one of main rapid-growth and high-yield species in mid-mountain zones and low-elevation zones in high mountains and canyons in Sichuan. 综合分析认为日本落叶松应成为四川省中山地带和高山峡谷区低海拔地带主要速生丰产造林树种之一。
- Three tree factors of diameter at breast height,tree height and tree volume of Japanese larch had been studied by using 5 empirical formulas and grey GM(1,1)model in this paper. 对日本落叶松三测树因子采用了5个经验方程和灰色GM(1,1)模型进行研究,经验方程中选中了柯列尔式,柯列尔式的各测树因子的残差平方和均小于GM(1,1)的残差平方和。
- This paper systematically investigated bleaching properties of AS-AQ pulp of Japanese larch and compared the differences between AS-AQ pulp and KP pulp in order to understand physical properties of Japanese larch pulp. 为深入了解日本落叶松的纸浆物理性能;该文以日本落叶松ASAQ浆为原料;对纸浆的漂白特性进行了系统研究;并与KP浆的漂白特性进行了比较.
- Acting principle factors which affect the outturn of sand including sand age and site index as parameter, prediction model H=a1D a2A a3si a4,V=a1D a2H a3 on stand outturn of Japanese larch was established by using multi-factor comprehensive descrip. 引用影响林分材种收获量的主要因子胸径、林龄、立地指数为参数 ,采用多因子综合描述的方法 ,建立了日本落叶松林分材种出材量预测模型H=a1Da2Aa3sia4,V=a1Da2Ha3。
- The genetic correlation coefficients of DBH and height among 3 data sets of performances were as high as 1 0 in Japanese larch,so the early selection would be possible in the species. 日本落叶松树高和胸径这两个指标 3个年份之间的遗传相关系数都非常高 ,接近 1 0 ,因此开展日本落叶松的早期选择是可行的。
- A NEW CULTIVATED VARIETY OF JAPANESE LARCH 日本落叶松新栽培变种
- Study on Individual Tree Growth Model of Artificial Japanese Larch 日本落叶松人工林单木模型的研究
- Isolated culture and Plants Regeneration of Japanese Larch 日本落叶松的离体培养和植株再生
- I think Japan is a warlike nation. 我认为日本是一个好战的国家。
- STUDY ON THE WHOLE FOREST STAND OF ARTIFICIAL JAPANESE LARCH FOREST 日本落叶松人工林生长预测的全林分模型研究
- He is, without doubt, the greatest golfer in Japan. 毫无疑问,他是称霸日本的高尔夫球手。
- Japanese industry is making increasing use of robots. 日本工业越来越多地使用机器人。
- The film actors are on location in Japan. 电影演员在日本拍摄外景。
- He was appointed the general consul of Japan. 他被任命为驻日本的总领事。
- Do you remember taking a trip to Japan with him? 你记得曾经和他到日本旅行吗?
- A waiter of the Japanese restaurant bowed him in. 那家日本餐馆的侍者鞠着躬将他迎了进去。
- Japan exercised her veto to block the resolution. 日本使用了否决权反对该项决议。
- Tom has been to Japan, I have also been there. 汤姆曾去过日本,我也曾去过。