腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA.用增压等离子体熔炼含氮的铬锰奥氏体不锈钢,不锈钢氮含量达0.57%～0.74%.Austenitic chromium manganese stainless steel with 0.57 % ~0.74 % nitrogen...
Online gaming allows players from around the world to challenge each other.网络游戏使得全球的玩家可以相互较量。The law allows doctors to prescribe contraception to the under 16s.法律允许医生给16岁以下未成年人开避孕药。Find the exact grip that allows you to ...
A long palm tree - lined driveway leads to the park.一条两边栽满棕榈树的道路通向游乐园.Many of them are low coral or limestone hideaways of palm trees and white sand.那儿有许多人是低收入,珊瑚的石灰岩,棕榈树林隐蔽处,禽鸟来回飞翔,还有白沙滩.... the mile of white sand beach...
Aggregates are compact and close to spherical in shape.聚集体结构紧密并且形状接近于球形.We carry out a transformation to spherical polar coordinates.我们变换成球极坐标.Both spherical and regular crystalline forms are relatively rare.球形的和规则的球晶形成相...