扰乱这一化学系统会带来可怕的后果。脑研究者发现在一些罕见的例子中，影响这些化学物质的基因突变会导致人体肥胖。
Disturbing this chemical system can have dire effects - brain researchers have found that in rare instances, gene mutations that affect these very chemicals can cause obesity in people.
很显然，任何能够进化的系统，都离不开遗传学家们所说的突变，其本质是随机事件。
In any system that will evolve it is quite clearly necessary that you have what the geneticists have called mutations, essentially random events.
基因突变时会引发肿瘤，但是是一个老鼠的免疫系统能攻击和摧毁的。
When mutated, the gene causes a tumor, but one that the rat's immune system can attack and destroy.
然而到了第二个冬季，病毒的N2蛋白发生突变因而无法被免疫系统识别。
By the second winter, however, the N2 part of the virus had also changed somewhat through mutations and was no longer very recognizable to the immune system.
血友病源于X染色体上的一种突变——很可能是维多利亚女皇自身发生的一种突变，可经由遗传系统传给家族后代。
Hemophilia is caused by a mutation—likely spontaneous in Victoria‘s case—on the X chromosome and can be passed along the maternal line of families.
一种治疗药物以突变的基因为靶点，该基因突变后能让肿瘤细胞持续增多。另一种药物能激活病患免疫系统对抗疾病。
One drug specifically targets a mutated gene that tells a cancer cell to grow, the other boosts a patient's immune system in the fight against the disease.
甚至相同种类的基因突变也已表现出生态系统如何悬崖勒马并自我修复。
Even genetic variation within the same species has been shown to affect how well ecosystems pull up their socks and repair themselves.
而一旦细胞的抗癌防御系统被摧毁，遗传混乱就会随之而来，于是又进一步加剧了基因突变的程度，而且染色体中的DNA将产生大规模重组。
Once the cell’s anticancer defenses are destroyed, genetic mayhem ensues, with further mutations and wholesale rearrangements of DNA in the chromosomes.
涵盖的主题包括突变的分析和神经系统发挥功能所需基因的分子分析。
Topics covered include the analysis of mutations, and molecular analysis of the genes required for nervous system function.
转变发生在太阳系的电磁和引力层面，这些固定你们的太阳系统到一起映射着这个突变。
The shifts in the solar electromagnetic and gravitational fields that bind your solar system together are also reflecting this mutation.
突变理论为建立系统的复杂动力学模型提供了一个清晰的框架。
Catastrophe theory provides a coherent framework for modelling the complex dynamics of systems.
此外，近亲繁殖的父母将此突变集中于后代，掩盖了原本的基因系统。
But inbreeding parents can pool the mutations in offspring, oerwhelming the backup systems.
这套系统的建立使斑马鱼成为第一个有可能达到基因饱和突变和筛选的脊椎动物。
The whole system is likely to make zebrafish the first vertebrate to achieve saturation mutagenesis and gene screening.
免疫系统功能一旦降低，就识别不出发生突变的细胞了。
And when it's weakened, those mutated cells are not recognized by your immune system.
结果显示离子注入胚乳不仅对生物的修复系统有较大影响，而且能够诱发后代突变。
It showed that the endosperm implanted by the ions not only affected biological repair system, but also induced the mutation of offspring.
计算表明，这一非线性系统具有尖点突变和混沌等有趣的动力学行为。
Computations show that the system has interesting dynamical behaviors such as cusp catastrophe and chaos.
在分析油田开发前后生态系统的非同构性后，探讨了用突变理论解决因子预测的可能性。
The author of this paper point out that the necessary and possibility for the predication of environmental factor by catastrophe theory in EIA system.
以突变理论、静态分叉理论、奇异性理论等为基础，对复杂系统的脆性问题进行了深入的研究。
Based on the catastrophe theory, static bifurcation theory and singularity theory, to research the brittleness problems of complex system.
文中应用分歧与突变理论法建立了翼伞系统飞行稳定性分析的方法。
The bifurcation analysis and catastrophe theory methodology is used here t? Find ways to analyze the stability of parafoil system.
系统利用重复控制抑制非线性负载下的电压畸变，利用瞬时值反馈控制加快负载突变时的动态响应过程。
Repetitive control is used to reduce voltage distortion under nonlinear loads and instantaneous feedback control is designed to quicken the dynamic response process under abrupt load variation.
以松辽平原为案例，首次提出并论证了“人类强胁迫力作用于脆弱环境系统必将导致生态环境突变”的命题。
Taking Songliao Plain as an example, the proposition that strong stress makes a fragile environment into catastrophe is demonstrated for the first time.
首先，在开环控制部分，如果发动机发生突变，系统利用制好的二维MAP图查找所需喷气量，快速跟踪发动机喷气量的变化。
Firstly, during the period of open loop control, system traces the change of LPG injection of engine quickly by checking the pre-set two-dimension MAP if conditions of engine are changed suddenly.
这些突变对地球表层系统的演变与进化产生了巨大影响。
These events had great influence on the evolution of the earth's surface system.
本文基于突变理论，提出了应用突变理论优选矿井通风系统的综合评价。
This article based on the mutation theory, proposes the application mutation theory optimal mine ventilation system synthesis appraisal.
突变事件是气候系统中存在的一种现象。
已经发现，在细菌细胞内NF 3是轻微的诱导有机质突变的物质，而在动物细胞和整个动物测试系统内NF 3不会诱导有机质突变。
NF3 has been found to be weakly mutagenic in bacterial cells and non-mutagenic in animal cells and whole animal test systems.
已经发现，在细菌细胞内NF 3是轻微的诱导有机质突变的物质，而在动物细胞和整个动物测试系统内NF 3不会诱导有机质突变。
NF3 has been found to be weakly mutagenic in bacterial cells and non-mutagenic in animal cells and whole animal test systems.
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