防御机制

大量的研究资料表明，RNA沉默是植物和无脊椎动物细胞主要的病毒防御机制。

Accumulating data suggest that it is the major antiviral defense mechanism in plants and invertebrates .

基因编辑工具CRISPR-Cas9建立在防御机制细菌的使用基础之上，通过切断DNA的位点以抵御病毒。

The gene-editing tool CRISPR-Cas9 is based on a defense mechanism bacteria use to ward off viruses by cutting off bits of their DNA .

人体对疾病具有先天性防御机制。

The body has natural defence mechanisms to protect it from disease .

环境组织世界自然基金会改革谋划师汤姆•克朗普顿说："当我们无法真正消除恐惧的根源时,我们往往会采取一系列防御机制来达到心理上的适应。"。

" When we can 't actually remove the source of our fear , we tend to adapt psychologically by adopting a range of defence mechanisms , " says Tom Crompton , change strategist for the environmental organisation World Wide Fund for Nature .

基于Linux平台的Web应用程序攻击防御机制

Defense Mechanism of Web Application Attack Based on Linux Platform

UV胁迫下苦荞类黄酮代谢及其防御机制研究

Study on Flavonoids Metabolism and Its Defensive Mechanism in Buckwheat under UV Stress

移动adhoc网络中DOS攻击及其防御机制

DOS Attack and Defense in Mobile Ad Hoc Networks

大豆叶片衰老过程中PSⅡ功能和光破坏防御机制的变化

Changes of PS ⅱ Function and Photoprotection Mechanism in Soybean Leaves during Senescence

NaCl胁迫下杂交酸模叶片光破坏防御机制以及PSⅡ光化学效率的调节

Photoprotective Mechanisms and Regulation of PS ⅱ Photochemistry in Rumex Leaves under NaCl Stress

一旦侦测到，细胞的防御机制会消灭双链RNA，使细胞免遭感染。

If a cell 's defence mechanisms detect double-stranded RNA they destroy it , to protect against infection .

基于网络测量系统的SYNFlooding攻击防御机制

A Mechanism of Defending SYN Flooding Attack Based on Network Measurement System

近年来发现的RNA沉默是普遍存在于真核生物的一种防御机制。

In recent years , a defense mechanism has been discovered , which turns out to be conserved among eukaryotes .

对等网络DoS攻击的防御机制

Defense Mechanism of DoS Attacks in Peer-to-Peer Networks

结论在小儿慢性胃炎及十二指肠溃疡中，GAS、SS表达均有升高，GAS和SS升高可能在小儿慢性胃炎及十二指肠溃疡病因、防御机制中起一定作用；

Conclusion There seems to be an increasing tendency in the expressions of GAS and SS in children with chronic gastritis and duodenal ulcer .

RNA沉默（RNAsilencing）是一种依赖核酸序列特异性的抗病毒防御机制。

RNA silencing is an anti-viral defense mechanism involved in degradation of exogenous nucleic acid via sequence-specific interaction .

DDoS攻击和防御机制分类研究

Research on Taxonomy of DDoS Attacks and Defense Mechanisms

基于包标记技术DDoS防御机制研究

Research on DDoS Defense Mechanism Based on Packet Marking

植物在同病原物竞争进化过程中，已形成一系列防御机制，过敏反应（HR）和系统获得抗性（SAR）就是这种防御机制的典型表现。

Hypersensitive response ( HR ) and systemic acquired resistance ( SAR ) are the typical representation of plant defense reactions .

针对寄主的这一防御机制，许多病毒进化出相应的RNA沉默抑制子。

To counteract the host defense mechanism , many viruses have evolved suppressor proteins to overcome the resistance of the corresponding RNA silencing .

对等网络泛洪DDoS攻击的防御机制

Mechanism of Defending P2P from Flooding-Based DDoS Attack

为了了解大象的癌症防御机制，科学家们研究了一个对预防癌症非常关键的基因——p53。

To understand the elephants " defenses , the scientists investigated a gene that is crucial for preventing cancer , called p53 .

P2P网络中Sybil攻击的防御机制

Defense Mechanism for Sybil Attack in P2P Network

在DNA损伤的众多修复途径中，核苷酸切除修复（NER）途径能广谱识别大多数严重损伤造成的DNA螺旋扭曲，是DNA损伤的主要修复系统，也是机体抵抗致癌效应的主要防御机制。

Nucleotide excision repair ( NER ) can recognize a broad spectrum of helix-distorting lesions and is a major repair system of DNA damage .

RNAi现在被认为是真核生物对病毒、转基因和转座因子（Transposableelements）的防御机制。

Now RNAi has been thought to be a defensive system against viruses , transgenes and transposable elements .

基于Gnutella协议的P2P网络中DoS攻击防御机制

The study on DoS attacks the mechanism of defending in P2P network based on Gnutella agreement

DDoS攻击防御机制综述

A Summary of DDoS Defense Mechanisms

探讨APACHEⅡ评分对评估患者病情的作用及外科疾病对机体免疫系统免疫防御机制的影响。

The application of APACHE II score system in evaluation of surgical diseases and their immunological defense effect were individually studied .

玉米苗期microRNA介导的干旱防御机制研究

A Study on Defense Mechanism of Maize Seedlings to Drought Stress Mediated by microRNA

本文介绍了在网络测量平台上基于策略系统的SYNFlooding攻击防御机制。

In this paper a mechanism is introduced which prevents SYN flooding attacks based on the policy system upon the network measurement platform .

但是，高浓度的ROS对宿主细胞有毒，并会被细胞的抗氧化防御机制清除。

However , at higher concentration , ROS are toxic and need to be scavenged by the antioxidant defense mechanism of the cell .