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Pollen analysis A means of obtaining information on the composition and extent of past floras and environments by examining fossil pollen grains, spores, and similar structures in peat and sedimentary deposits.
中文意思:
花粉分析:指通过检测花粉化石、孢子以及在泥炭和沉积物中类似的结构,以获得历史上曾有过的植物区系、组分以及分布范围与环境信息的方法。


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Pollack said the movie emphasized peaceful alternatives to nations killing each other. 波拉克说影片强调以和平取代国家之间的战争。
Pollack says, however, key U.S. leaders believe diplomacy is the best alternative. 说美国重要领导人仍然相信外交手段是最好的选择。
Pollack, a New Yorker, said he had never been inside U.N. headquarters until the filming began even though he had walked by the building 1,000 times. 波拉克是一位纽约市民,他说电影开拍之前,他从未进过联合国总部,尽管他曾经“1000次”路过联合国大楼。
Pollack, denied the plot was a symbol for the U.S. attack against Iraq after France and other U.N. Security Council members refused to support the invasion. 波拉克否认剧中的阴谋象征着法国和其他联合国安全理事会成员拒绝支持入侵伊拉克后,美国袭击伊拉克的行动。
Pollack, too, was first turned down, but Shashi Tharoor, head of U.N. public information, who read the script, convinced Secretary-General Kofi Annan and others the film would be seen by millions the organization could never reach itself. 悉尼·波拉克刚开始也遭到了同样的拒绝,但是联合国信息事务副秘书长沙希·塔罗尔看过剧本后说服联合国秘书长科菲·安南和其他高级官员说,数百万人可以通过这部电影走近联合国,这是联合国自己办不到的。
Pollen analysis A means of obtaining information on the composition and extent of past floras and environments by examining fossil pollen grains, spores, and similar structures in peat and sedimentary deposits. 花粉分析:指通过检测花粉化石、孢子以及在泥炭和沉积物中类似的结构,以获得历史上曾有过的植物区系、组分以及分布范围与环境信息的方法。
Pollen grains are adapted according to the method of pollination, those carried by insects often being sticky or barbed, while wind-pollinated plants generally produce smooth light pollen. 花粉粒与授粉方式相适应,那些虫媒花,花粉通常是粘性的或有刺的,而具有风媒花的植物,其花粉通常光滑而轻。
Pollen grains are highly variable in size and shape ranging from 5μ to over 200μ in diameter and from circular to tetrahedral or dumbbell shaped. 花粉粒的壁由两层构成,外壁为孢粉素壁,具有很强的抵抗力,其上有特征性雕纹或孔纹。
Pollen grains are rich in mitochondria, Golgi apparatus, and endoplasmic reticulum. 花粉粒富含线粒体、高尔基体以及内质网上。
Pollen mother cell (PMC) In angiosperms and gymnosperms, a somatic cell that gives rise to four haploid pollen grains by meiosis. 花粉母细胞(PMC):指在被子植物和裸子植物中,能通过减数分裂产生4个单倍体花粉粒的体细胞。
Pollen never deteriorates. It is one of the few naturally secreted su tances that last indefinitely. 花粉永远不会变质,是自然界中少有的几种可以无限期存在的物质之一。
 
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