针叶植物

Presented polymorphism, from south-east, mid-part to north-west of Yunnan plateau, or with the latitude or altitude increasing, the general trend of the morphological variance was the tendency of miniaturization: the length of needles, size of the buds, frequency of the 3 needles per bundle, needle number per bundle, size of the female cone and its scute, the width of the wood growth ring and the needle area of transverse section decreasing.

论文作者王昌命导师姜汉侨教授学科专业生态学研究领域\研究方向植物生态学学位级别博士学位授予单位云南大学学位授予日期2002 论文页码总数106页关键词松树云南松馆藏号BSLW /2003 /S791 /5 本研究遵循生态学的原理和方法，对分布在滇东南、滇中以及滇西北地区的10个云南松种群就树皮、木材、针叶、球果等10多个形态性状进行了系统地观察统计分析。

Pinaceae A family of conifers that bear separate male and female cones,and in which the seeds are borne between the cone scales and do not have arils.

松科：指产生分离的雌雄球果的针叶类植物的一个科。其种子产生于珠鳞之间，且无果皮。

Some hardy plants such as junipers can be potted in June.

六月份时，一些针叶科植物如杜松可进行盆栽。

A leggy evergreen looms over a stretch of Arctic boreal forest as light from the aurora borealis paints the night sky emerald green.

一株常青植物在北极圈的北方针叶林中独树一帜，隐现在被北极光染成翠绿色的天空下。

The species composition changes following succession rule. The canopies become closer when the pine forest develops to mixed forest and the later develops to broad-leaved forest. Thus more shade-tolerant species invade and some sun-loving(shade-intolerant) species exit.

物种的组成变化符合演替规律，随着针叶林发展成为混交林，混交林发展成为阔叶林，其林冠变得较为密集，因而有更多的耐阴植物侵入，而一些喜光种消失。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。