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So, the abnormality of embryo sac was one of the factors that induce low seed setting percentage in autotetraploid rice.

从对13个品种的成熟胚囊育性调查的结果来看，同源四倍体水稻胚囊育性是影响其结实率的原因之一。

The reasons that result the seed setting low are different in different autotetraploid rice line.

所以，双受精异常、胚胎发育异常和胚乳发育异常也是结实率降低的原因。

Biological effects of autotetraploid rice after ion beam implantation of low energy N+ were studied.

以低能氮离子束为诱变源，对同源四倍体水稻进行注入处理后，对其生物学效应进行了研究。

Embryo development and origin of twin-embryo of autotetraploid rice with twin-embryo seedlings were observed and verified.

利用激光扫描共聚焦显微技术对同源四倍体双胚苗水稻的受精过程、胚胎发育过程和双胚来源进行观察鉴定。

Biological effects of autotetraploid rice after ion beam implantation of low energy N+.

低能氮离子注入同源四倍体水稻的生物学效应。

Study on the pollen fertility and the process of pollen formation and development in autotetraploid rice showed that the pollen fertility was high (78.33%), though many abnormities appeared in this process.

通过对5个品种的同源四倍体水稻花粉发育过程和13 个品种的花粉育性调查结果表明，同源四倍体花粉平均育性为78.33%，明显比二倍体（91.85%）低。

The formation and development of embryo sac in the diploid and its autotetraploid of rice cultivar IR36 was examined using Laser Scanning Confocal Microscopy.

利用激光扫描共聚焦显微镜术对水稻品种IR36二倍体及其同源四倍体的胚囊形成和发育过程进行了系统的研究。

From 1996 to 2005, someautotetraploid rice had been selected and improved. T-test showed that seed setincreased obviously. The relationships among yield characters of autotetraploid ricewere analyzed.

从1996年到2005年对部分同源四倍体水稻进行了连续选择改良，T检验表明经过9年的选择改良，其结实率显著提高。

I also recommend that you do not feed this breed any food containing rice, soy, or avocado.

我还建议您不要助长这种品种的食物有大米，大豆，或鳄梨。

Morphological and anatomical studies have demonstrated that tillering process in rice can be divided into two stages: the formation of a tiller bud at each leaf axil and the outgrowth of tiller bud into tiller.

根据形态解剖学的研究，水稻分蘖的生长过程分为两个阶段：（1）在每个叶子的叶腋里分化形成一个分蘖芽；（2）分蘖芽进一步生长发育成分蘖。

Apllied the data of QuickBird-2——the highest resolution remote sensing,and based on the theory and methodology of fractal geometry,we have quantitatively studied remote sensing lineations in Gaolong gold deposit of Guangxi.

采用Quick Brid-2高分辨率卫星遥感数据，通过分形几何学的盒计维数法，定量研究广西高龙金矿区遥感线性构造。

So, sometimes, to change the color can not be your food (referring to the above-mentioned crustacean) has been a sign of boiling over.

所以，有时，来改变颜色，不能你的食物一直是沸腾了的迹象。