科

Gramineae and Compositae by the shifting sand to the fixed sandy land, the species of which changed greatly, that indicated they were playing a great role in the recovery of the sands. Asclepiadaceae plants could serve as a indicative plants to distinguish between the types of shifting sand and other sand; Portulacaceae and Bibgnoniaceae plants, which appeared only in the fixed sandy land, has become a landmark to determine the fixed sand plants. In addition to artificially plant Caragana spp. and Artemisia spp.

豆科和藜科植物作为流动沙地的先锋物种，表现出较强的适应能力；禾本科和菊科植物由流动沙地到固定沙地，其种类变化较大，表明其在沙地恢复中发挥着巨大的作用；萝摩科植物可作为区分流动沙地和其它沙地类型的指示性植物；马齿苋科和紫薇科植物仅在固定沙地中出现，已成为判断固定沙地的标志性植物。

Bignoniaceae, Euphorbiaceae, and Mimosaceae contained the most deciduous species. Cratoxylum cochinchinens, Canthium horridum, and Glochidion fagifolium were the most abundant species, while Liquidambar formosana, C. cochinchinens, and G. f agifolium had the highest basal area.

其中紫葳科、大戟科、含羞草科是含落叶树种最多的3个科，黄牛木、猪肚木、山柑算盘子是多度最高的3个落叶树种，枫香树、黄牛木、山柑算盘子是胸高截面积最大的3个落叶树种。

This study is the first attempt to combine gene sequences with morphological characters to provide a phylogenetic reconstruction of the subfamily Euphorinae (Hymenoptera: Braconidae).

本研究选取优茧蜂亚科Euphorinae（膜翅目Hymenoptera：茧蜂科Braconidae）的8族19属23种作为内群，茧蜂其它6个亚科的8属8种作外群，首次结合同源核糖体28S rDNA D2基因序列片段和41个形态学特征对该亚科进行了系统发育学研究。

Its living collection contains nearly 20,000 plants representing 3,886 taxa in 133 plant families. It is especially strong in Cactaceae, Agavaceae, Aloaceae and the cactus collection includes more than 1,350 different taxa.

它的活体植物收藏包括近2万种，分属于133科3，886个分类群，尤以仙人掌科、龙舌兰科和芦荟科颇具特色，其中仙人掌类收藏有1，350多个不同的分类群。

A large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae.

带有豆夹的乔木灌木木本植物和草本植物大科；为方便从亚科中分离出来；含羞草科；豆夹科。

The weed seeds of 21 species belonging to 14 families (mainly Gramineae, Primulaceae, Polygonaceae, and Chenopodiaceae) could be dispersed into the paddy field by irrigation water.

有14科21种杂草种子随灌溉水流输入稻田，这些杂草种子主要隶属禾本科、报春花科、藜科、蓼科等。

Moreover, the extended study has been conducted on several related families, including Magnoliaceae, a key family in angiosperm;Rhizophoraceae,Combretaceae,Lythraceae in mangroves, the important ecological plants.

以这一研究为基础，进一步开展了被子植物关键类群木兰科、重要经济生态植物红树林的主要类群红树科、使君子科、千屈菜科等类群的分子系统学与进化研究，获得了很有意义的结果。

In this study, 6 species from Eriocaulaceae, Xyridaceae, Commelinaceae, Juncaceae were collected as material.

本试验以谷精草科，鸭跖草科，黄眼草科和灯心草科为研究对象。

The enterprise bureaucracy's formation is the enterprise organizes to manage the shape development the inevitable product, it has is advantageous to enterprise development one side, but when faces the competition day by day intense market environment, the bureaucracy malpractice on the appearance comes out, the article utilizes Coss's enterprise nature theory, proposed the modern bureaucracy optimized way.

企业科层制度的创新发展，新经济学论文，经济学论文科层制度的形成是企业组织管理形态的必然产物，其有有利于企业发展的一面，但在面对竞争日益激烈的市场环境时，科层制度的弊端就显现出来，文章运用科斯的企业性质理论，提出了科层制度的优化途径。

The enterprise bureaucracy's formation is the enterprise organizes to manage the shape development the inevitable product, it has is advantageous to enterprise development one side, but when faces the competition day by day intense market environment, the bureaucracy malpractice on the appearance comes out, the article utilizes Coss's enterprise nature theory, proposed the modern bureaucracy optimized way.

企业科层制度的形成是企业组织管理形态发展的必然产物，其有有利于企业发展的一面，但在面对竞争日益激烈的市场环境时，科层制度的弊端就显现出来，文章运用科斯的企业性质理论，提出了现代科层制度的优化途径。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。