四倍的

Chromosome observation of the male sterile line and fertile line, parents of hybrid combination and F1 indicated that the chromosome number of the male sterile line is the same as that of fertile line 2n=2x=24; Pollen parent (Tagetes putula PHBO029) is tetraploid 2n=4x=48; the F1 is triploid 2n=3x=36 with hybrid vigor.

通过对不育系、正常可育系以及杂交组合父母本、子一代的染色体数目观察发现：万寿菊雄性不育系的染色体数目与正常可育系相同，均为2n=2x=24；孔雀草PHBO029为四倍体2n=4x=48，它与万寿菊不育系杂交、其杂种为具有杂种优势的三倍体2n=3x=36。

Yet, with the economy growing at 12 percent, the fastest rate since 1995, and set to overtake Germany as the world's number three economy by the end of the year (although China's economy guzzles four times as much fuel as Germany), some Chinese officials describe the present economic performance as "the best for 5,000 years"!

然而，随着经济增长率达到12%，是1995以来最快的经济增长率，而且将在年底超越德国成为世界第三经济实体(虽然中国经济消耗的能源四倍于德国)，一些中国官员把现在的经济表现说成是&5，000年之未有&！

Apparently, the resort of Cadzand-Bad is a mecca for sun- and surf-worshippers that more than quadruples its population at the height of the summer.

显然，Cadzand-Bad度假地是喜爱阳光和冲浪的人们的一块圣地，这里的人口会在每年夏季膨胀四倍以上。

There is a wide variety of representations possible and one can express a given Turing machine program as a sequence of machine tables, as flowcharts, or as a form of rudimentary machine code or assembly code called "sets of quadruples".

有各种各样的表述可能和一个可以表达某一图灵机程序作为一个序列机桌，流程图，或作为一种最基本的机器代码或汇编代码所谓的套四倍。

Even if dumping weedkiller on the crops of peasant farmers quadruples the local price of coca leaves, this tends to have little impact on the street price, which is set mainly by the risk of getting cocaine into Europe or the United States.

甚至如果不使用杂草剂而使得当地可卡叶的价格翻四倍，这对于最终可卡因的市价影响较小，因为这主要取决于将可卡因贩卖到欧洲或者美国的风险。

Even if dumping weedkiller on the crops of peasant farmers quadruples the local price of coca leaves, this tends to have little impact on the street price, which is set mainly by the risk of getting cocaine into Europe or the United States.

尽管对这些作物喷洒除虫剂而使得当地可卡树叶的价格翻了四倍，但是这对街头卖出价却影响甚微，卖出价主要是由将可卡因提供到欧洲和美国的风险风险所决定的

Even if dumping weedkiller on the crops of peasant farmers quadruples the local price of coca leaves, this tends to have little impact on the street price, which is set mainly by the risk of getting cocaine into Europe or the United States.

即使农民因喷洒农药而成四倍地提高了咖啡当地的价格，对市面上的价格也不会有什么影响，因为市场价主要取决于把可卡因送入欧美市场的风险程度。

Smearing apical point with a mixture of 0.2% colchicine plus adeps lanae and 1.5% DMSO was also effective with doubling frequency 14.0%. Dripping the apical point of plantlets with trifluralin has also been tested, and it showed effective in inducing tretraploid from double haploid, but obviously delayed plant growth.

本试验还用具有抗微管形成的除草剂氟乐灵进行黄瓜幼苗滴苗加倍试验，试验结果表明，在进行黄瓜双单倍体诱导纯合四倍体时，氟乐灵具有使染色体加倍的功能，但同时也具有延迟处理植株生长的作用。

After taking account of the diagnosed psychiatric conditions, the team found that patients who took sedatives and hypnotics for sleeping problems were four times more likely to commit suicide

在考虑精神疾病的诊断状况下，因为睡眠问题而服用镇静剂和安眠药的病人有四倍於常人的机率自杀。

The central issue that user of of all kinds this month multimedia buys a guideline gathers at all sorts of upgrade high qualitily set, they included fourfold fast CD driver, card of a sound reachs a loudhailer.

本月各类多媒体用户购买指南的焦点都聚集于各种高品质的升级套件，它们都包括了一台四倍速的光盘驱动器，一个声音卡及一个扬声器。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。