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汉语拼音：cì shēng

属性词。第二次生成的；间接造成的；派生的：～林。～矿物。～灾害。

次生 [cì shēng]

1. 再一次生成或间接造成。如：「次生林」、「次生灾难」。

• These tributaries are subsequent streams which erode strike valley.

  这些支流系即为蚀出走向谷的次生河.

• The difficulty of pinpointing primitive and derived characters remains.

  要正确地指出原始性状和次生性状仍然感到困难.

• The stored materials are tested viability every five years.

  这种贮藏材料每五年检查一次生活力.

• Secondary xylem consists of pitted vessels, parenchyma fibers and rays.

  次生木质部由孔纹导管 、 薄壁组织及射线所组成.

• Lignin is a characteristic component of secondary walls.

  木质素是次生壁成份的特征.

• Secondary interstices develop after the rock is formed.

  在岩石形成以后再发展次生间隙.

• Substances conveying plant resistance to insects include inorganics, primary and intermediary metabolites and secondary substances.

  给予植物抗虫性的物质包括无机物, 初始、中间代谢物和次生物质.

• The most frequent reaction causing the self - sealing of rocks with high secondary permeability is argillization.

  这种发生频率很高的、使次生渗透性能良好的岩体产生自封闭现象的反应就是泥岩化.

• The term photochemical oxidants refers to the secondary pollutants formed in photochemical smog.

  光化学氧化剂这一词是指在光化学烟雾中生成的次生污染物.

• A strike - valley sand is deposited in the drainage course of a subsequent stream valley.

  走向谷砂岩是在次生河谷水系中沉积的.

• Light microscopy has also been useful in studies on the secondary wall of the cotton fiber.

  光学显微镜还可以用来研究棉纤维的次生层.

• Secondary uranium minerals are illustrated in a Bureau of Minerial Resources prospector's handbook.

  次生铀矿物已列入矿物资源局的普查手册中.

• The plant essential oils is the secondary metabolism of plant.

  植物精油是植物体内的次生代谢物质,化学组成较为复杂.

• Calcium nodules and secondary calcites are closely related to climate and micromorphology.

  钙质结核发及次生方解石形成既取决于气候,也与微地形有关.

• Female sheep produce one or two lambs at a time.

  母羊一次生一到两只羊羔.