减半

The root inducing medium, containing 0.5 mg/L NAA and MS medium with half of macroelement, gained 98% root inducing rate.

在大量元素减半的MS培养基中附加0.5 mg/L NAA进行生根培养，生根率达98%。

Norwest Bank Minneapolis offers lending programs for cars and boats that can cut monthly payments nearly m half .

美国明尼阿波利斯州西北银行提供的借贷项目还包括可以月付减半的车辆和船只的借贷。

Norwest Bank Minneapolis offers lending programs for cars and boats that can cut monthly payments nearly m half .Carmakers,too,are lengthening easier terms.

明尼阿波利斯西北银行提供的贷款服务是出借小汽车和船只，而这项服务可以让借款人每个月的开支几乎减半。

DocuColor2045 of two models with 2060 is virtually identical to the type of business card printing and membership card-making machine, they are just different speed, namely the A4 size paper 45 pages per minute and 60 pages, which is its single-side business card printing and membership card making business card printing and membership card production speed, it is also possible to double-sided business card printing and membership card, per minute business card printing and membership card number are produced by half, that is, on A4 size paper-per-minute business card printing and membership card to make-a-half page and 30 pages.

DocuColor2045与2060两种型号实际上是同一类型的两款制卡和会员卡制作机，它们仅仅是运转速度不同，分别为A4幅面纸张每分钟45页和60页，这是其单面制卡和会员卡制作的制卡和会员卡制作速度，它也能进行双面制卡和会员卡制作，但每分钟的制卡和会员卡制作数量却要减半，也就是对A4幅面纸张每分钟制卡和会员卡制作22.5页和30页。

Speaking in London, Professor Richard Peto of Oxford University said if cigarette consumption could be halved by 2020, 25 million deaths could be prevented in the first quarter of the 21st century.

牛津大学的 Richard Peto 教授在伦敦指出，如果香烟消费量到2020年能够减半，那么，在21世纪的头25年内便可减少2，500万人的死亡。

Methods:43 patients including 10 with mitral stenosis associated aortic regurgitation, 12 with mixed mitral valve lesions and 21 with mixed mitral valve lesions and combined with aortic regurgitation were studied.MVA determinded by (1) two -dimensional echocardiography with a cross-sectional area in the short-axis view (2DE),(2) pressure half-time using formula of 220/PHT,(3) color Doppler flow imaging with a jet cross-sectional area in the short-axis view with planimetry,(4) CDFI with a color jet width at the mitral valve orifice in the apical four-chamber view and long-axis view, assuming an elliptic mitral orifice, compared with the orifice area of excised mitral valve during mitral valve replacement.

材料与方法∶分别用二维超声(2DE)、压差减半时间、彩色多普勒二尖瓣口血流截面积和椭圆形面积法测定43例风湿性心脏病二尖瓣狭窄拟行人工瓣置换术患者的MVA，其中合并主动脉瓣反流 10例，合并二尖瓣反流 12例， 21例，并与手术标本的实测面积相比较。

The biggest losers in terms of speculative positioning were the British pound, where the net short position reached its most extreme since mid September 2008, and Canadian dollar where net longs were cut by almost half.

投机仓方面，最大的输家是英镑及加元，前者的净额短仓是2008年九月中以来最高，而后者的净额长仓几乎减半。

The medicine is used of the pyrosis and acute gastritis,Take with lukewarm water.

温开水送服，成人每次4－6丸，小儿减半，每日3次。

In this method, the parameters to be estimated are divided into two sections, the number of equation dimension is reduced by half, so the solution of equation is simplified, and the working efficiency is greatly raised.

在这种解算方法中，由于将待估参数分成了两部分，使原本庞大的高维方程组的解算得以简化，把待求参数的维数减半，大大提高了工作效率。

The daughter cells contain half no.of chromosome of the parent cell.Therefore it is also called reduction division.

减数分裂是在进行有性生殖的生物中导致生殖母细胞中染色体数目减半的分裂过程。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。