发达

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓部，髓射线明显。

Lifting weights will build arm and shoulder muscles.

举重会使手臂和肩膀肌肉。

The mesohyl is major part of sponge consisting of the chanocyte chamber and canal system.

皮质层具纤维及不规则形细胞 和圆形细胞。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉，有异细胞维管束鞘，具双生韧皮部。

There are aboundant of organelle except Golgi complex in the pinealocyte.

松果体细胞内细胞器，但很少观察到高尔基复合体。

The differences between manual labour and mental labour are diminishing in some developed countries.

在一些国家体力劳动和脑力劳动差别正在缩小。

Animal welfare rule is vallum instituted by developed country, which is adapt to stockbreeder marketing.

动物福利准则是近几年来许多国家新设定贸易壁。

Cheeks--Well developed chewing muscles, but not so much that "cheekiness" disturbs the rectangular head form.

面颊部咬合肌，但不能太夸张以至于变“厚脸皮”，而破坏了矩形头部整体外观。

Industry thrives in the south.

南方工业。

And thus the research on developing small towns and the way to citify them was done.

从而对内陆不地区城镇化途径和小城镇展进行研究。

He’s big and beefy.

他身材魁梧,肌肉。

The United Nations appealed to the people of the developed countries for aiding those of the backward countries.

联合国呼国家人民援助落后国家人民。

The haustrum structure of the two were similar and both were composed of parenchyma and spiral vessel.

北桑寄生叶较薄，叶脉，无栅栏织和海绵织分化。

Column grains develop well in casting blank, with transcrystalline grains and a little equiaxed grains in the center.

实验中，铸坯中柱状晶，有穿晶出现，铸坯心部有少量等轴晶。

The larger embellum could be used as a secondary screening indicator for identifying aposporous embryo sac in Apluda mutica.

存在胚珠附器是水蔗草无孢子生殖胚囊特点之一.

The acrosome in the head was spheral in shape, and there was only one mitochondria in the mature sperm.

核染色质凝集团块状，中部不，线粒体融合1个环绕中部。

Every seedling organs are of aerenchyma, etc.All of these characters are similar to Euryale ferox, Alisma orientale and Hydrilla verticillala.

种苗各器官中均有通气织等基本上与芡、泽泻和黑藻相似。

In the cerebrum, the primordial hippocampus developed better than the primordial piriform.The former belongs to archipallium and the latter is paleopallium.

大脑内原始海马较原始梨状区，前者属于原脑皮，后者属古脑皮。

Our findings indicate that both opsin genes have been under purifying selection in the majority bats despite a long history of nocturnality.

但对恒频蝙蝠而言，视觉退化根本原因在于它具有一种更回声定位能力。

Though the cultural power in our country has been pro-moted a lot in recent years, it is still far behind the developed countries.

在我国,文化力总体水平在不断提高。但在一些具体指标上还是与国家有着不小差距。