松柏科

Podocarpaceae A family of evergreen conifers. It includes one of the oldest living organisms, a huon pine, Dacrydium franklinii, from Tasmania, possibly 10 000 years old .

罗汉松；常绿松柏类植物的一个科，包括现存的、最古老的生物塔斯马尼亚洲均松，位于塔斯马尼亚，约10000岁。

The new progresses:(1)the anatomic studies on the leaves, stems and cones of 25 species Late Mesozoic conifers, particularly those very similar to the living genera, such as Athrotaxites, Torreya, Taxus, Cephalotaxopsis, Cunninghamia and the cheirolepidaceous conifers, such as Brachyphyllum and Psudofrenelopsis;(2) the distribution and evolution of the Late Mesozoic conifers, the relationship between the concentration of CO2 of the atmosphere and the stoma index of the gymnosperms during the Middle Jurassic and Early Cretaceous;(3) the characters, compositions and ages of the Jurassic floras of Yabula Basin, and Erlian Basin of Inner Mongolia and the Early Cretaceous floras and Jiuquan basin and Beishan Area of Gansu.

对12属25种中生代松柏类的枝叶、球果及茎干化石进行了解剖研究，特别是对与现生松柏类相似的Athrotaxites， Torreya， Taxus， Cephalotaxopsis， Cunninghamia及可能属于掌鳞杉科的Brachyphyllum， Psudofrenelopsis等的研究较为深入，发现了4个新种；总结了中国晚中生代松柏类的特点及分布，讨论了重点属的起源和演化问题；研究了中侏罗世、早白垩世及现代裸子植物包括松柏类气孔与大气CO2浓度关系，发现气

Coextensive with the family Ginkgoaceae: plants that first appeared in the Permian and now represented by a single surviving species; often included in Coniferales.

与银杏科同延；首先发现于二垩纪，只有唯一的幸存种类；经常归为松柏目。

Gymnospermae Pinaceae Coniferopsida in kind.

裸子植物门松柏纲松科中的一种。

Resin One of a group of substances occurring in many trees and shrubs, including conifers and certain families of flowering plants.

树脂：多种乔木和灌木产生的一种物质，包括松柏科的植物和一些显花植物。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。