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The comparison of pollen contents inside and outside the rice field and in the dust indicates that the Poaceae pollen content of 36％ or higher is much likely related to rice cultivation development,even if human activities have strong impacts on the double-crop paddy areas.

稻田内外样品和尘土花粉结果的对比分析表明，在人类强烈干扰的双季稻耕作区，禾本科含量达到36％以上时，很可能表明与稻作农业发展有关。

The total content of Poaceae pollen in the dry field outside the rice field is 26％～77％,and the average content of Oryza -type pollen is 38.52％.

而稻田外旱地样品禾本科总量降至26％～77％之间，而水稻型花粉平均值降低至38.52％。

The 28 pollen types of Polygonaceae in China have been arranged in their evolutionary sequence. Evolutionary trends of pollen types of Polygon...

该项研究不仅为化石花粉的研究提供了鉴定依据，而且为中国蓼科孢粉地理学的研究提供了理论基础。

Of the T〓 CaMVBT transgenic plants, the normally-growing plants showed two kinds of pollen fertility and seed-setting ratio under long-day condition. 62. 9% of which showed poorer pollen fertility, smaller, thinner seeds than those of untransformed regenerant control and that seeds were nonviable.

2自然启动子调控的rolB转基因农垦58S中，少数T〓代单株表现植株较矮小、茎杆细、叶片有卷曲或皱缩、生长势减弱、可育条件下败育等与CaMVBT转化的T〓代部分单株相似的表型。

Study of the systematic significance of some pollen characters revealed that the systematic position of these five Salsola species were analyzed based on the pollen morphology. Mover, the relationship between the number of the aperture and systematic position of species was discussed.

同时，研究从孢粉学角度初步分析了该属植物的系统演化关系，孢粉学特征揭示的系统演化关系与前人基于外部形态特征建立的猪毛菜属分组演化系统相一致，此外，还对五种植物的花粉萌发孔数量与其系统进化地位的关系进行了初步的探讨。

Leaves needlelike, slender or stout, straight or twisted, triangular, flabellate-triangular, or semiorbicular in cross section, stomatal lines several, on 1, 2, or all surfaces, vascular bundles 1 or 2, resin canals 2-10 or more, marginal or median, rarely internal, base enclosed by persistent or deciduous, membranous sheath. Pollen cones usually borne in spikelike clusters at base of 1st-year branchlets, sessile, cylindric or ovoid; pollen 2-saccate.

叶针状，纤细的或粗壮，直的或扭曲，三角形，扇形三角形，或半圆形在横断面上，气孔线数个，在1，2上，或全部表面，在第1 年的小枝，无梗，圆筒状的或卵球形的穗状的簇生在基部里的雄球花通常着生；花粉2囊。

The result showed that in the condition of high temperature, there existed obvious difference among the tassels' fertility of these maize materials. Their sterility showed there were no pollen grains, anther could not be shedded, and anther couldn't shed pollen.

结果表明，高温条件下，材料间的雄花育性存在着明显的差异；不育性表现方式有：无花粉粒、花药吐不出、花药不散粉。

Their sterility showed there were no pollen grains, anther could not be shedded, and anther couldn't shed pollen. The result of simulating European corn borer's damage (digging a hole in the nodes of tassels) i...

模拟玉米螟为害雄花节打孔试验表明，即使玉米植株能得到充足的水分供应，雄花内部的水分胁迫是影响花粉正常散出的主要因素之一。

Combining the previous research on the pollen morphology, the present study indicated that: the plants of Stachyurus shared the common characters in pollen morphology and exine ultrastructure.

结果表明：旌节花属植物花粉形态的共同特征是：花粉粒球形或近球形，三孔沟；外壁具穴状纹饰，穴较细小；外壁内壁分层明显，容易区分，覆盖层光滑，几无附属物，柱状层明显，穿孔较少，不形成半覆盖层。

Jiangshu province showed that between individual plants there were significant differences in the number of male and female strobili anb their ratios, in the length of pollen grains and in the pollen germination percentage.

结果表明，金钱松人工林群体中个体间的开花量、花粉粒形态大小及花粉发芽率等性状都存在明显的差异。金钱松花粉发芽特点与落叶松和花旗松Pseudotsnga menziesii (Mirbel Franco 的花粉发芽特点具有相似性。

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。