root hair中文是什么意思

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中文翻译
造句

根毛

root vi. 〔美俚〕应援，声援；支持，赞助；欢呼，喝彩。
hair n. 1.〔集合词〕毛发，头发，汗毛。 2.毛状物；毛状 ...
hair root 毛根; 须根
average root hair length 根毛平均长
bending or curling of the root hair 根毛卷曲
functional root hair 功能根毛
hair root ending 毛根末梢
hair root sheath 毛根鞘
normal hair root 毛发根
old root hair 老的根毛
root hair crack 焊缝根部裂纹
root hair deformation assay 根毛变形试验
root hair formation 根毛形成
root hair region 根毛区
root hair zone 根毛层; 根毛区
root portion of hair 毛根部
root sheath of hair 毛根鞘
root-hair region 根毛区
single root hair 单个根毛
total root hair number 总根毛数
bacteria enter the root hair cell 细菌进入根毛细胞
estimates of total root hair number 总根毛数的估计
by a hair 差一点儿
hair n. 1.〔集合词〕毛发，头发，汗毛。 2.毛状物；毛状金属丝；毛发织物；【植物；植物学】茸毛。 3.一丝丝，些微。 grey hairs 白发；老年。 A fine coat of hair (马等)一身好毛。 Against the hair 〔古语〕违背本意，不合本性。 A hair in one's neck 麻烦事。 A hair to make a tether of 〔苏格兰语〕小题大做。 Be not worth a hair 一钱不值。 Both of a hair 同类，一丘之貉。 Bring sb.'s grey hairs (in sorrow) to the grave 使老人忧心至死。 Bush [head, shock] of hair 浓浓的头发。 By (the turn of) a hair 差一点儿，险些儿，几乎。 Comb [stroke] sb.'s hair for him 严责某人。 Do up one's hair 梳头。 Fell of hair 耷拉下来的头发，发绺。 Get [have, take] sb. By the short hairs 〔俚语〕任意摆布某人，完全操纵某人；抓住某人辫子。 Get in sb.'s hair 〔美俚〕触怒，使烦恼。 Hang by a (single) hair 千钧一发，岌岌可危。 Have grey hair 满头白发。 Have grey hairs 有些白头发。 Have one's hair cut 剪发，理发。 In one's hair 光着头。 In the hair 1. 毛向外的。 2. 兽皮有毛的。 Judas hair 红头发。 Keep your hair on 〔俚语〕保持镇静! 别发火! Let one's (back) hair down 1. 将头发散开。 2. 〔口语〕举止随便，不拘礼节。 3. 直言不讳。 Let your hair dry. 〔俚语〕别那么神气，别那么拿架子。 Lose one's hair 1. 头变秃。 2. 发怒。 Make sb.'s hair curl ＝ make sb's hair stand on end 使人毛骨悚然。 Not touch a hair of sb.'s head 不动某人一根汗毛。 Not turn a hair ＝ without turning a hair 不动声色，镇定自若。 Put [turn] up one's hair (少女成年后)梳拢头发。 Smooth [stroke] sb.'s hair the wrong way ＝ stroke sb. Against the hair 使某人恼怒。 Split hairs (over sth.) 作无益的细微分析，无故挑剔。 Stroke sb. With the hair 〔苏格兰语〕安抚。 Take a hair of the dog that bit you. 〔谚语〕以毒攻毒；用酒解酒。 Tear one's [the] hair 扯头发〔表示悲伤、焦急、忿怒〕。 To (the turn of) a hair 完全一样，丝毫不差。 Wear one's (own) hair 不戴假发。 adj. -ed 具有(某种)头发的 (fair-haired 金发的。 Short-haired 短发的)。 adj. -less 无毛的，无发的，秃顶的。 adj. -like 毛发似的，极细的。
to a hair 丝毫不差地

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例句与用法

The root hair cell wall invaginates at the point of contact .
在接触点上，根毛细胞壁内凹。
The specialized epidermal area of the roots from which the root hairs arise is termed the piliferous layer
根毛出现在根表皮的特化区域，称为根毛层。
On the condition of flooding , the root hair of vetiver was decreased significantly and the color of root system became black
淹水条件下，香根草根毛显著减少，根系颜色随淹水深度增加而变深。
The elongation cell afterwardsstarts to split up , forms the root hair , the drive pipe and so on thedifferent structure , thereupon plant ' s root then grew maturely
伸长的细胞随后开始分化，形成根毛、导管等不同结构，于是植物的根便发育成熟了。
Absorption 1 . the uptake of liquid by cells and organs . in plants , water and mineral salts are absorbed mainly by the root hairs , just behind the root tips
吸收（作用） : 1通过细胞或器官吸收液体。在植物中，水和矿质元素主要是通过位于根尖后方位置的根毛吸收的。
The percentage of rooted leaf explants was 92 . 5 % 21 days after infection , but the inducing frequency of hairy roots was 53 . 8 % . hairy roots were highly branched and had a plenty of white root hairs
其中转化毛状根的频率为53 . 8 ，毛状根呈密集丛生状、多分枝，被大量白色细绒毛。
At concentration of 10mg / l , the root of k . candel seedling were wide and short , had few or no root hairs . especially for n ap , above 70 % of roots turned rotten and black , others were half rotten
暴污60d后，在10mg l浓度组，幼苗根系粗而短，根毛稀少或没有，尤其是nap处理的幼苗70以上根发生腐烂发黑，其余亦处半腐烂状况。
We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips , and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone , and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem , and rays are rather rich in secondary xylem
结果表明：气生不定根具有以下结构特征和发育特点： ( 1 )根为二原型，侧根正对着木质部发生； ( 2 )幼根内皮层细胞具凯氏带加厚，维管柱内紧挨中柱鞘内侧具有2 ~ 4层大型薄壁细胞； ( 2 )根中无髓和树脂道； ( 4 )次生结构发生于根毛区，维管形成层由初生木质部和初生韧皮部之间的薄壁细胞转化形成； ( 5 )中柱鞘和栓内层细胞富含单宁类物质； ( 6 )次生韧皮部有石细胞，次生木质部射线发达。