Study and Design of New Type Bifilar Helix Antenna

Clinical Observations of Combined with Acupuncture and Tuina Treatment in Enuresis of Recessive Bifid Spine

针推结合治疗隐性脊柱裂遗尿的临床研究

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Its flower bud is mixed bud and forms in the year before flowering and fruiting, but it is difficult to control the formation of flower bud, and the phenomenon of biennial bearing that influencing the production is prone to appears by poor management.

其花芽是混合芽，形成于开花结果的前一年，但花芽形成控制困难，管理不善很容易出现大小年，影响产量。

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The ratio of dry matter distribution to annual branch, biennial branch and capillary root was higher than weeping peach. That to coarse and fine roots was lower than weeping peach. 5.

柱型桃干物质分配到一年生枝、二年生枝及毛细根比例高于垂枝桃，而分配到粗根和细根的比例低于垂枝桃。

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At present, the rate of broken biennial root in cutting sugarcane is very high, exceeds more than 20%, and is arriving at 35% when it works in sweat field.

目前切割器切割甘蔗的破头率较大，超过20%，湿地作业达到35%以上。

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Higher the rate of broken biennial root is, lower the germination of sugarcane is in the next year, and the output of sugarcane accordingly.

甘蔗破头率高，来年甘蔗发芽率就低，甘蔗的产量相应地就低。

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However, there are a lot of factors that affect the cutting quality ( the rate of broken biennial root) of cutter.

而影响切割器切割质量（破头率）的因素较多，因此，有必要对甘蔗切割器影响切割质量的各因素进行优化研究，提高其切割质量。

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Mechanism and Optimization Study of Affecting Factors on the Rate of Broken Biennial Root of Dual Base Cutter of Sugarcane Harvester

双圆盘切割器切割甘蔗破头率影响因素的优化及机理研究

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Experimental Study on Influencing Factors of Broken Biennial Root Rate for a Single Base Cutter of Sugarcane Harvester

单圆盘甘蔗切割器切割破头率影响因素的试验

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The damage of stubble will influence the quality of its biennial root.

甘蔗根茬破坏情况影响到宿根质量。

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Biennial yellow-flowered Eurasian plant having aromatic leaves used as carminative or flavoring agent; widely cultivated especially as green manure or cover crop.

两年生欧亚植物，花黄色，其叶芳香，用做祛风剂或调味品；广泛栽培，尤其作绿肥或覆盖作物。

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Biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop.

两年生欧亚植物，通常有膨胀的可食根；作为粮食作物培植广泛。

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DC. Methods: Choose the biennial plant, get rid of50% alabastrums of them, but make another bloom and fruit.

方法：选择二年生长势基本相同的植株，将其中的50%去除花蕾，另外的50%任其开花结果。

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The proportion of annual plant and biennial plant decrease gradually and the proportion of perennial plant increases gradually in the course of enclosure.

围封过程中的沙化草地，土壤种子库群落组成中，1、2年生植物所占比例逐渐减小，多年生植物所占比例均逐渐增加。

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Biennial plant; valuable honey plant.

两年生植物，是有价值的蜜源植物。

provided by jukuu

Erect annual or biennial plant grown extensively especially for hay and soil improvement.

直立的一年生或两年生植物，广泛栽培，尤其用于干草和土壤改良。

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Conyza canadensis, an biennial or annual composite herb originating from North America, was widely disturbed in China, and now the species has became a common invasive plant.

小飞蓬（Conyza canadensis）为菊科越年生或一年生草本植物，原产北美洲，目前在我国广泛分布，已成为一种常见入侵植物。

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Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States.

地中海两年生草本植物，有长茎的紫色舌状花、乳白色树汁和可食用根；已被美国广泛种植。

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Celery is the umbrella-type family and biennial herb, also known as celery, celery drugs and Parsnip.

芹菜是伞形花科、二年生的草本植物，又名芹、药芹、蒲芹。

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From 1984 to 1985 the author carried the experiment on annual and biennial herb flowers soilless seedling in Northeast Forestry University flowers garden.

于1984年&1985年在东北林业大学花圃，对一二年生草花进行了无土育苗试验。

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The biomass of annual herb, biennial herb and annual biennial herb were all lower, but their seed amounts were above half of total;

一年生、二年生和一、二年生草本植物生物量较低，而种子数量占总量的一半以上；

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