查询词典 fertile

The sterile and fertile plants of BC3 generation, derived from the hybridization between sterile line and restorer line and maintaining line, were detected by GISH-dcFISH. The observations showed that the fertile plants were all the Brassica napus-Xinjiang wild Sinapis arvensis monosomic alien addition lines, and the sterile plants had no Sinapis arvensis chromosome.

不育系分别与保持系、恢复系Nsa恢1、保持系杂交后获得了BC3代不育株及可育株，GISH-dcFISH分析结果表明，BC3代可育株为甘蓝型油菜－新疆野生油菜单体异附加系，而不育株中不含新疆野生油菜染色体。

Under low temperature condition, fertility restoring, anther developing normally, the tetrads formed after archesporical cell, sporogenous cells and microspore mother cell. Subsequently, microspores were free from the tetrad of fertile anther and formed mature pollen grains, tapetumof the fertile anthers began to disintegrate and disappear at last.

在低温处理条件下，育性恢复，花药发育正常，经过孢原细胞期、造孢细胞期、花粉母细胞期后，可以顺利形成四分体，可育花药的四分体可以释放出小孢子并发育为成熟的花粉粒，同时绒毡层细胞开始解体，最后消失。

Spikelets laterally compressed, florets 2, lower floret fertile, upper floret reduced to a small empty lemma, disarticulating above glumes; glumes about as long as florets, broad, membranous, 1-veined; lower glume awnless; upper glume with an oblique, stout, subapical awn; callus pubescent; lemma of fertile floret dark brown, keeled, broad, cartilaginous to leathery, 3-veined, hairy on veins, apex acute to emarginate, awnless or with a fine, subapical awn-point; palea nearly as long as lemma, keels scabrous or ciliolate; upper floret cuneate or obovate, glabrous.

小穗侧面压扁，小花2，能育，上面的更下部的小花退化至小空外稃，高于颖片脱节；关于倍于小花的颖片，宽，膜质，1脉；更低的颖片awnless；上面颖片具一偏斜，粗壮，芒；胼胝体短柔毛；暗褐色的肥沃的小花的外稃，翻转，宽，软骨的到革质，3脉，内稃近等长外稃，龙骨粗糙或者具短缘毛；上面小花楔形的或倒卵形，无毛。

Chromosome observation of the male sterile line and fertile line, parents of hybrid combination and F1 indicated that the chromosome number of the male sterile line is the same as that of fertile line 2n=2x=24; Pollen parent (Tagetes putula PHBO029) is tetraploid 2n=4x=48; the F1 is triploid 2n=3x=36 with hybrid vigor.

通过对不育系、正常可育系以及杂交组合父母本、子一代的染色体数目观察发现：万寿菊雄性不育系的染色体数目与正常可育系相同，均为2n=2x=24；孔雀草PHBO029为四倍体2n=4x=48，它与万寿菊不育系杂交、其杂种为具有杂种优势的三倍体2n=3x=36。

Spikelets 1–1.2 mm, florets 2; glumes boat-shaped, keeled, scabrous on vein, ca. 1 mm; lower glume subacute; upper glume truncate, awn 0.3–0.5 mm; lemma of fertile floret broadly boat-shaped, ca. 1.2 mm, leathery, pilose along keel and incurving margins; palea obovate, narrower than lemma, keels scabrous; upper lemma much reduced, cuneate, lying within concave back of palea of fertile floret.

小穗1-1.2毫米，小花2；颖片舟状，龙骨状，粗糙的在脉上，约1毫米；更低的颖片近尖；上面颖片截形，芒0.3-0.5毫米；宽舟状的肥沃的小花的外稃，大约1.2毫米，沿着龙骨和incurving 边似皮革，具柔毛；倒卵形，狭窄比外稃，粗糙的龙骨的内稃；上面外稃非常退化，楔形，躺在内凹在内稃的能育小花后面。

Two River as a result of floods and accumulated into a fertile soil, known as the "fertile crescent zone"(South America and the "Golden Triangle" region of the famous known as the "evil Crescent").

两河沿岸因河水泛滥而积淀成肥沃土壤，史称&肥沃的新月地带&（南美的那个和&金三角&齐名的地区堪称&罪恶的新月地带&）。

Although he then writes another version of the letter to give to Cecilia, it is the first that is inadvertently delivered to Cecilia via Briony, who reads it and is convinced, in her fertile imagination, that Robbie is a "sex maniac".

虽然随即他用另一种方式表达了他的意思。然而在让毕欧尼将信送到赛西尼亚手上的过程中，这封信还是被毕欧尼拆开偷看了。她也因此深信罗比是个性狂躁者。

According to Plato's writings, there was once a city of fantastic wealth and power situated at the edge of a fair and highly-fertile plain on a vast island.

根据柏拉图的记述，在一个非常肥沃的大岛平原上，距现今至少9000年前在一个辉煌的帝国统治下，曾有个极度富庶强盛的城市。

The conversion of Abdul Rahman to Christianity has provided fertile ground for exploring the transcendent teachings of Jesus.

转换阿卜杜勒拉赫曼基督教提供了肥沃的土壤，为探索超然的教义耶稣。

These people live so close to the active volcano because the soil is so fertile.

这些人住这么近的活火山因为如此肥沃的土壤。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。