kvm虚拟化是什么
虚拟化指通过虚拟化技术将一台物理计算机虚拟为多台逻辑计算机，在一台计算机上同时运行多个逻辑计算机，每个逻辑计算机可以使用不同的系统，并且系统和系统之间互不干扰，能够充分合理的利用物理计算机的资源。
Distortion、Pinch是什么意思
distortion
n.（名词）
The act or an instance of distorting.
扭曲，变形，扭歪：使扭歪的行为或例子
The condition of being distorted.
被歪曲的状态
A statement that twists fact; a misrepresentation.
歪曲，曲解：扭曲事实的陈述；曲解
A change in the shape of an image resulting from imperfections in an optical system, such as a lens.
失真，畸变：光学系统，如透镜的不完美而导致的图象形状的变化
Electronics
【电子学】
An undesired change in the waveform of a signal.
信号波形非想象的变化
A consequence of such a change, especially a lack of fidelity in reception or reproduction.
失真：这一变化的后果，尤指在接受或再产生缺乏逼真度
Psychology The modification of unconscious impulses into forms acceptable by conscious or dreaming perception.
【心理学】 扭转：无意识的冲动转变为可被有意识的感知或梦觉所接受的形式
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pinch
v.（动词）
pinched， pinch.ing， pinch.es
v.tr.（及物动词）
To squeeze between the thumb and a finger, the jaws of a tool, or other edges.
捏，掐：在大拇指和一根手指、工具的夹片或其它刀口间相互挤压
To squeeze or bind (a part of the body) in such a way as to cause discomfort or pain:
挤痛，夹痛：用某种方式挤或夹（身体某部分）以至造成不适和疼痛：
These shoes pinch my toes.
这双鞋挤脚
To nip, wither, or shrivel:
使（植物）枯萎，凋谢：捏，枯萎，萎缩：
buds that were pinched by the frost; a face that was pinched with grief.
被寒霜侵袭而枯萎的花蕾；因痛苦而扭曲的脸
To straiten:
使紧缺，节制：
“A year and a half of the blockade has pinched Germany”(William L. Shirer)
“一年半的封锁使德国经济萎缩”(威廉L.夏勒)
Slang To take (money or property) unlawfully; steal.See Synonyms at steal
【俚语】 擅自拿取，抢取…东西：非法取得（金钱或财物）；偷取参见 steal
Slang To take into custody; arrest.
【俚语】 拘留；逮捕
To move (something) by means of a pinch bar.
用撬杆移动（某物）
Nautical To head (a boat) very close into the wind.
【航海】 抢风驶船：使（船）迎着风
v.intr.（不及物动词）
To press, squeeze, or bind painfully:
挤痛，压痛：疼痛地压、挤、扎：
This collar pinches.
领子紧得勒脖子
To be miserly.
吝惜，节约
Nautical To drag an oar at the end of a stroke.
【航海】 拖桨：在一次划浆的最后拖桨
n.（名词）
The act or an instance of pinching.
捏，拧：捏、拧等动作或事实
An amount that can be held between thumb and forefinger:
一撮，少量：
a pinch of rosemary.
一把迷迭香
A painful, difficult, or straitened circumstance:
困难，紧迫情况：痛苦、困难或紧迫的处境：
felt the pinch of the recession.
感到萧条时期的困难
An emergency situation:
紧急情况：
This coat will do in a pinch.
衣服要紧急赶制
A narrowing of a mineral deposit, as in a mine.
减少：矿物沉积物的减少，如在煤矿中
Informal A theft.
【非正式用语】 偷窃
Slang An arrest by a law enforcement officer.
【俚语】 逮捕：被执法人员捕获
adj.Baseball （形容词）【棒球】
Relating to pinch-hitting or pinch runners:
替补击球的：关于替补击球或替补击球员的：
a pinch single; a pinch steal of second base.
替捕的一垒安打；第二垒替补偷击
【 being hawked】是被动语态吗是什么形式的被动语态
being
hawked
是现在分词的被动语态，后置修饰名词
precision，作用相当于定语从句
which
is
hawked，
意思是“被兜售的严谨”，换言之就是“被极力鼓吹的严谨”。
这个句子也可以用以下三简单句来分述
There
is
a
kind
of
false
precision
又有一种伪严谨
The
precision
is
hawked
by
people
这种严谨被人们极力鼓吹
The
people
claim
they
are
doing
ancestry
testing.
这些人声称他们正在进行世系检定。
参考译文：有一种被人们极力鼓吹的伪严谨，他们声称自己正在进行着世系检定。
-kvm虚拟化技术
