first leaf是什么意思

网络释义

用法例句

The first strip mini - mill in China;

中国第一座短流程薄板厂

The clinical study of freestyle positions on delivery during the first labor strage;

分娩第一产程自由体位的临床研究

Determination of the minimal motor block local analgesic concentration of ropivacaine for analgesia in the first stage of labor by sequential procedure

序贯法测定第一产程分娩镇痛中罗哌卡因最小运动阻滞浓度

Studies on stomatal length,width,density and their correlation of 3rd leaf in rice with BADH cDNA;

转甜菜碱醛脱氢酶BADH基因水稻第三叶气孔长度、宽度和密度及其相关性的研究

The microstructure on surface of 3rd leaf in Oryza rufipogon, O.

用扫描电镜对普通野猪、籼稻和粳稻三叶期第三叶表面结构进行了观察研究。

The second leaf takes place at the basal part of the first leaf and originates from the shoot apex cells when the first leaf pierces the calyptra.

第一叶突出帽状体之后，由第一叶基部保留下来的茎干顶端细胞产生第二叶。

The apical cell of the first leaf and of the first root originate almost at the same time after the embryo reaches to the 32-celled phase.

胚胎在32细胞阶段后，第一叶顶端细胞与第一根顶端细胞几乎同时发生。

The first such technique was the prefrontal lobotomy.

该科的第一个手术方法为前额叶脑叶切开术。

Cotyledon (seed leaf) the first leaf of the embryo of seed plants, which is usually simpler in structure than later-formed leaves.

子叶：种子植物胚胎的第一片叶，在结构上通常比后来形成的叶简单。

Both types of rice embryos have dimorphic cotyledons.

第一类型与第二类型稻胚都具有二型子叶。

The first poem in Leaves of Grass was a long one.

《草叶集》中的第一首诗很长。

The first blades of grass speared out of the earth.

第一批青草的叶片破土而出。

The first blade of grass spear out of the earth

第一批青草的叶片破土而出

The first prize was won by Masato Chiba from Japan.

夺得第一名的是来自日本千叶正人.

In the first year it produces foliage only and photosynthesizes.

第一年，只生长叶片进行光合作用。

Julius Caesar changed the date of the New Year from the first day of March to the first day of January.

朱利叶斯·恺撒把新年这个日子从三月的第一天改到一月的第一天。

In the early part of the eighteenhundreds, the Americans made use of natural rubber for the first time.

19世纪初叶，美国人第一次使用自然橡胶。

With Luwuh in the middle of the eighth century we have our first apostle of tea.

8世纪中叶出现了第一个茶文化的先驱，是陆羽。

A grade of Chinese black tea, obtained from the fifth and largest leaf gathered from a shoot tip of a tea plant.

功夫茶中国的一种浓茶，茶叶采自茶树顶部第五片和最大的一片叶子

The third type was common quality including ZhonglanN0.1, Xinjiangdaye, Archer, Deguodaye, Meiguozajiao;

第三类为品质一般的品种，包括中兰一号、新疆大叶、射手、德国大叶熊、美国杂交熊；

The exposure and processing of the first record is optimal for imaging of both conifers and hardwoods.

对于针叶树类和润叶树类的成象来说，第一波段的曝光和加工都是效果最优的。

Leaf is the first lateral organ produced by the activity of the shoot apical meristem (SAM).

叶片（包括子叶）是茎端分生组织产生的第一类侧生器官，在植物发育中具有重要地位。

Boris Yeltsin arrived in the U.S., fresh from his victory in becoming the first popularly elected Russian president.

刚刚旗开得胜成为俄国第一个民选总统的叶利钦，来到美国。