茎
- 与 茎 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Use conventional paraffin production technology, and optical microscope right Euonymus japonicus stems and leaves of anatomy.
利用常规石蜡制片技术，通过光学显微镜对大叶黄杨茎和叶进行了解剖学观察。
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Trees, erect or scandent shrubs, lianas, evergreen or deciduous; stems sometimes producing rootlets Euonymus spp.
乔木，直立或攀缘灌木，藤本植物，常绿或落叶的；茎有时生产细根（Euonymus spp。
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Eupatorium adenophorum is one of the most dangerous invasive plants in China.
紫茎泽兰是我国外来入侵物种中危害最为严重的植物之一。
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The aim was to study the remote sensing technology of Eupatorium adenophorum Spreng.
［目的］探索紫茎泽兰的遥感监测技术。
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The higher in percentage of light, the better for increase of Eupatorium odoratum stem, leaf and root dry weight.
光照率越高越有利于飞机草茎叶和根干重的增加。
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Eupatorium adenophorum Sprengel is a kind of poisonous weed. At present, it is expanding more and more in southwestern part in China day by day, which is severely dangerous.
紫茎泽兰是一种恶性杂草，目前在我国西南部地区分布范围越来越大，危害日益严重，至今大规模防治的有效方法还未找到。
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ObjectiveTo optimize the extraction condition for Eupatorium adenophorum Spreng by response surface methodology.
目的利用响应曲面法研究从紫茎泽兰中提取黄酮的最佳工艺条件。
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Eupatorium adenophorum is one of main invasive plants in China and has caused great economic losses. A study was conducted to determine the biomass allocation, leaf morphology and growth response of E.
紫茎泽兰是我国主要外来入侵植物之一，在我国西南地区迅速传播，引起了巨大的经济损失。
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Rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium .
美国东南和西印度的花冠很大的菊科植物，根状茎，亮蓝花色；有时归为泽兰属。
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Three sample plots of different habitat were selected in Yunnan and Sichuan to study effects of invasion of Eupatorium adenophorum on content of available nitrogen,available phosphorus and available potassium in soil.
选取云南、四川省3个不同生境作为样地，研究紫茎泽兰入侵对不同生态系统土壤中碱解氮、速效磷、速效钾含量的影响。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。