The reaction goes through a nucleophilic attack process followed by a proton transfer process.
本文用量子化学方法研究了N-甲基-N-丙烯醛基-甲酰氨向甲基-AICA转移一碳单元的反应机理,阐明了亲核进攻和质子转移先后分步进行的反应机制。
China's limited nuclear counterattack ability is entirely for deterrence against possible nuclear attacks by other countries.
中国保持有限的核反击力量，是为了遏制他国对中国可能的核攻击。
If a nuclear exchange began, children were to crouch beneath their desks.
如果美苏开始相互核攻击,孩子们就要蹲到课桌下面。
nuclear-powered attack submarine
核动力鱼雷攻击潜艇
unleash the forces of nuclear power
发出核动力的攻击力
a preemptive at tack
(用核子武器的) 先发制人的攻击
a surprise nuclear salvo
出其不意的核弹齐攻 [袭击]
To set upon with violent force.
袭击，攻击以暴力攻击
repel an attack [the assailants]
击退进攻[进攻者]
On the Design and Implementation of a Packet Filter Against DDoS in Linux Kernel;
Linux内核中DDoS攻击报文过滤器的设计与实现
Thrust was followed by counter-thrust;
攻击紧跟着反攻击；
Simultaneous Attack
同时攻击,并行攻击
The act of attacking or assaulting.
袭击袭击或攻击的行为
The submarine force is composed both of conventional and nuclear-powered units, with underwater attack and some nuclear counterattack capabilities respectively.
潜艇部队编有常规动力潜艇部队和核动力潜艇部队，具有水下攻击和一定的核反击能力。
repel an attacker, attack, invasion
击退进攻者、 进攻、 入侵
assault: a violent physical or verbal attack.
攻击,抨击: 武力或口头上的攻击。
A nuclear attack could wipe us off the map.
一次核武器攻击就可能使我们从地球上完全消失。
Atomic depth charges have a nuclear warhead and a vastly increased killing radius.
原子深水炸弹配备核子弹头,具有极大的攻击半径。
"- Speculating on what Stalin might have said if threatened with nuclear attack,27 September2001.
」臆测史达林在核子攻击的威胁下会怎麽说，2001年9月27日。