壳斗浅碟状, 高 4-8 毫米,宽1.5-2.5厘米, 包著坚果基部.Cupule discoid , 4 - 8 mm 1.5 - 2.5 cm, enclosing basal part of nut.白垩纪尚无壳斗科可靠的大化石记录,微化石需要进一步研究才能确定亲缘关系以及古新世壳斗科已经分化出两个类群.No creditable macrofossil record of the Fagaceae exists in the C...

某些病毒的核衣壳是由被膜所包绕.In some viruses the nucleocapsid is surrounded by an envelope.衣壳同包围它的核酸一起称为核衣壳.The capsid together with the enclosed nucleic acid is the nucleocapsid.其核酸结构为线状双股DNA, 衣壳为二十面体对称,有囊膜.It has linear double stra...

“藻壳”的拼音为：zǎo ké...

蚕蛹皮是蚕蛹(制丝下脚料)经人工提炼去蛹油、蛹蛋白后的废弃物,含有丰富的甲壳质.The silkworm chrysalis skin is a kind of waste after removing pupa oil and protein.方法先由龙虾壳制备甲壳质,经盐酸水解得D氨基葡萄糖盐酸盐.This paper researches technological conditions under which the D - g...

“壳层”的英语可以翻译为：shell，lamellae，lamella ...

用贝壳来装点盒子、托盘、镜子甚至是花盆。Use shells to decorate boxes, trays, mirrors or even pots.她最喜爱的题材是那些在海边散步时发现的贝壳。Her favourite subjects are shells spotted on beach walks.我们在海滩拾贝壳。We collected shells on the beach....

“内壳层”的英语可以翻译为：[化] inner shell ...

在原子物理学的术语中, “ 壳层 ” 一词是经常使用的.The word'shell " is used extensively in the terminology of atomic physics....

“护壳”的英语可以翻译为：capsid ...

变送器上壳连有热电偶烧毁保护接线.The transmitter is wired for up - scale thermocouple burn - out protection.旋流器上壳内独制的橡胶衬套可利于混合料的输送.And uniquely - made rubber bushing block on the swirler benefits mixture delivery.研究结果表明,排山楼金矿的容矿围岩是一套以英云...

“外子壳”的英语可以翻译为：exoperidium ...

“膜壳科”的英语可以翻译为：[医] Hymenolepidae ...

“护壳”的拼音为：hù ké...

“包壳”的拼音为：bāo qiào...

“铁质壳”的英语可以翻译为：ferricrete ...

“空壳”的拼音为：kōng ké...

“介壳虫”的英语可以翻译为：scale insect，coccid ...

这些动物形成提供他们保护的难 - 有壳的管.These animals form a hard - shelled tube that provides them protection....

内壳层跃迁机制是实现超短波长激光的一种很有潜力的方案.Employing the inner - shell transition mechanism is a potential way to obtain ultra short wavelength lasers.电子原子碰撞内壳层电离截面在实验及理论研究两方面都具有重要意义.The study inner - shell ionization cross - sections b...

粘土包壳作为石英晚期胶结作用的抑制剂可能是特别重要的.Clay coats can be particularly important as inhibitors of later quartz cementation.结果表明其由核心和叠层石包壳组成,具有核形石特有的结构和构造.The structure and texture found these nodules are characteristic of oncolite.回收...

图7所示为带状引线连接芯片和管壳装配的工艺程序.Figure 7 shows the sequence for tape bonding the chip and assembling the package.以压缩机管壳式冷却器为例, 分析了其失效原因.Take compressor's intercooler for example, main reasons of failure is analyzed.反向阻断四极型 ...

“包壳”的英语可以翻译为：involucrum，cladding，jacketing，[核] jacket ...