1、

The seed set was low for both natural and artificial cross pollination with only about one forth of ovules developing into seeds.

矮牡丹的结实率低,平均只有近1/4的胚珠发育成种子。

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2、

Under the condition of artificial disturbances, the investigations were performed on a three dimensional boundary layer of a 45 degree swept back flat plate, which is subject to cross flow instability.

在具有近似等顺压梯度的45°后掠平板上,人工激励非定常扰动的条件下,进行了三维边界层承受横流不稳定性实验研究。

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3、

Studies on pellet artificial diet rearing young silkworms of Euryphagous cross combination

广食性杂交组合小蚕颗粒人工饲料育的研究

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5、

as a high degree cross discipline it contains mechanics, electronic, computer science, automatic control engineering, artificial intelligence, bionics and other technologies and is one of the hottest research field.

它是一门高度交叉的学科,它广泛涉及机械学、电子学、计算机科学、自动控制工程、人工智能、仿生学等多个领域,是目前科学研究最活跃的领域之一。

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6、

artificial monofilament of 67 decitex or more and of which no cross-sectional dimension exceeds 1 mm;

截面尺寸不超过1毫米,细度在67分特及以上的人造纤维单丝;

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7、

The eastern plains, artificial rivers criss cross.

东部平原地区, 人工河道纵横交错.

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8、

Modelling and Experimental Research on CO_2 Transfer in a Cross-Flow ( ELF) Hollow Fibre Artificial Lung

CO2在交叉流(管外血流式)中空纤维膜式人工肺中传递的数学模型与实验研究

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9、

A semi-empirical mathematical model of CO2 transfer in a cross-flow hollow fibre artificial lung has been set up.

本文建立了CO2在交叉流中空纤维膜式人工肺的半经验数学模型。

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10、

Recent advances in genetic breeding of Agaricus bisporus involving artificial selection, cross breeding, protoplast fusion and gene engineering have been summarized, and the future prospects discussed.

综述了人工选择育种、杂交育种、原生质体融合育种和基因工程育种等双孢蘑菇遗传育种研究的现状及进展,并展望了上述研究领域的发展趋势。

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11、

It has been proved by natural infection and artificial inoculation that cross infection appeared between larger and smaller apple trees. Some mainly cultivars of larger apple trees can be infected by this disease.

经自然感病和人工接种证明,大、小苹果上的黑星病菌可以交互侵染,目前一些主栽的大苹果品种均能感染此病。

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12、

Artificial Neural Network and Cross Section Design of Steel Reinforced Concrete Columns

人工神经网络与劲性混凝土柱截面设计

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13、

Artificial Interspecific Cross Among Seven Species of Dendranthema in China

菊属7个种的人工种间杂交试验

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14、

The rearing results of three cross combination of euryphagous silkworms were studied in detail between pellet artificial diet raising for young silkworm and mulberry raising for all instars.

本试验探讨了三个广食性杂交组合小蚕颗粒人工饲料育与全龄桑叶育的饲养效果。

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15、

As for the adaptability to pellet artificial diet in the three euryphagous cross combinations, 54A × zaA was the best one.

三个广食性杂交组合中以54A×杂A对颗粒人工饲料的适应性最好。

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16、

By artificial fertilization, some mutual-cross experiments were conducted among transparent color crucian carp, red crucian carp, ornamental carp and red purse carp to detect the survival rates, growth speeds and body color separations of hybrids.

利用人工授精的方法,进行水晶彩鲫、红鲫、锦鲤和荷包红鲤的相互杂交试验,测定各个杂交组合子代的成活率、生长速度和体色分离比例。

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17、

The author first puts forward a quiz game-Cross-River Game, then use production System in Artificial Wisdom to analyze and solve this game, Then realize it through FOXBASE+, thus provide one way to solve this kind game.

作者先提出一个智力游戏&过河游戏,并利用人工智能中的产生式系统去分析和求解该智力游戏,最后用FOXBASE+实现.为求解这类游戏提供了一种途径。

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