“方差”怎么读

“方差”的英语可以翻译为：variance ...

在统计学中这个估计值叫组间方差.In statistical language , this estimate is called the between - column variance.方差的正的平方根叫做标准差.The positive square root of the variance is called the standard deviation.仅仅加性遗传方差是由种子遗传的.Only the additive ge...

I went some miles out of my way to take the scenic road into Macon.我绕行了几英里，想要经由那条风景秀丽的公路进入梅肯。But we couldn't be going to Macon.可是我们不能到梅肯去.I'll send Pork to Macon tomorrow to buy more seed.我要打发波克明天到梅肯去再买一些种子.Oh,...

在临死的那些日子里，年迈的女王态度稍缓和了一些。In her dying days the old Queen unbent a little.一位发言人称这一坚决的行动缓和了极为棘手的局面。A spokesman said this firm action had defused a very nasty situation.新的数据显示经济衰退可能有所缓和。New figures indicate the recession may...

Discovery's takeoff this morning from Cape Canaveral was flawless.“发现”号航天飞机今晨从卡纳维拉尔角顺利发射升空。The commuter plane was waiting for takeoff.通勤飞机在等候起飞。She does a marvellous takeoff of the Queen.她学女王的样子学得惟妙惟肖....

postings的音标：postings的英式发音音标为：['pəʊstɪŋz]postings的美式发音音标为：['poʊstɪŋz]...

Bennett launched a crusade for "moral values" against decadent "liberal relativism."贝内特发起了一场捍卫“道德价值”、反对腐朽堕落的“自由相对论”的战争。George is a public relations officer for The John Bennett Trust.乔治是约翰·本尼特信托公司的一名公关主管。You have been cr...

n.意气相投，同感，同情，同情心，慰问，和谐的一致...

Which means a clean ballplayer can still hit a dirty home run.也就是说,已经不服用兴奋剂的棒球手,打出的本垒打仍可能和兴奋剂有关.I saw no ballplayer, no race horse.我没见过一名球员或一匹赛马....

If you build more plastics into cars, the car lasts longer.如果汽车采用更多塑料元件，寿命会更长一些。New Japanese cars averaged 13 km to the litre in 1981.1981年，新型的日产汽车平均每升汽油能跑13千米。The museum will have a permanent exhibition of 60 vintage ca...

familiarity的音标：familiarity的英式发音音标为：[fəˌmɪli'ærəti]familiarity的美式发音音标为：[fəˌmɪl'jærɪti, -ˌmɪli'ær-]...

“沼石蛾”的英语可以翻译为：limnephilid ...

be confined to的音标：be confined to的英式发音音标为：[bi: kən'faɪnd tu:]be confined to的美式发音音标为：[bi kən'faɪnd tu]...

vi.穴居（den的过去式与过去分词形式）...

a bounteous repast丰盛的一餐These aren't the only ones forgoing the morning repast, of course.当然,他们并不是放弃早餐的唯一几个.He pictured the flavourless solitude of Trenor's repast.他可以想象得到雷诺单独就餐时多么寂寞.The guests partook of a luxu...

The winner of each preliminary goes through to the final.每场初赛的获胜者进入决赛。Some preliminary polls show him out in front.一些初步民意调查显示他处于领先位置。After a few preliminary remarks he announced the winners.说了几句开场白之后，他即宣布优胜者名单。...

shampoo的一般过去时为：shampooed...