林分平均木胸径总、平均和连年生长量最好。
The total, average and current annual increment of breast diameter of stand average stem are best.
类地行星的密度的平均值大约是水的密度的五倍,而类木行星的密度平均值只有水的密度的1.5倍。
The densities of the terrestrial planets average about 5 times the density of water, whereas the Jovian planets have densities that average only 1.5 times the density of water.
原因之一是,在平均水平线下,德国这架喷气发动机所带来的增长被地中海橄榄木和爱尔兰的亚麻布构成的摇摇晃晃的双翼飞机消磨殆尽。
One reason is that, beneath the average, a German jet engine is ripping away from a rickety biplane made of Mediterranean olive-wood and Irish linen.
如此惊人的耐药结核病发生率超出了全球平均水平的5倍,在一些前苏联加盟共和国中,阿拉木图的这一现象并不孤立存在。
Such rates of drug-resistant TB are an astounding five times greater than the global average. Almaty is not alone – not among some of the former republics of the Soviet Union.
卵放在木段外,卵期缩短为13 ~15天,平均孵化率及初孵幼虫对光肩星天牛幼虫的平均寄生率均有所提高,分别为83.3%和87.5%。
When eggs placed out of the wood block, egg stage is 13 ~ 15days, average hatching rate and average parasite rate are increased, they are 83.3% and 87.5% respectively.
凉水溪流河岸带森林立木材积、林分蓄积及溪流倒木数量、平均倒木体积和总倒木蓄积量均高于帽儿山溪流。
The standing tree volume, stand stocking of riparian forest stand, number, average volume and total stock of in-stream LWD at streams in Liangshui were greater than that of Maoershan.
小猫斯木科叫声平均可达80分贝,比普通猫类叫声大3倍多。
Smokey the cat's purrs average an astonishing 80 decibels – more than 3 times louder than most cats.
木纤维长度、直径、双壁厚、长径比均随着树龄的增加而增加,其平均值分别为891。
The fiber length, diameter, cell wall thickness and ratio of length to width are 891.
研究结果表明:木聚糖经酶水解后平均聚合度降低54%,戊聚糖含量为75.4%。
The result showed that the DP of xylan decreased 54% after enzymolysis with xylanase, and the content of lowpolymerized xylan was 75.4%.
而通过几个参数的适当搭配,槽孔板与木丝板复合结构的平均吸声系数分别由0.409,0.306最高可提高到0.868,0.862。
The average absorption coefficient of the composite structures made by partt board and wooden fiberboard can increase up to 0.868, 0.862 from 0.409, 0.306.
而通过几个参数的适当搭配,槽孔板与木丝板复合结构的平均吸声系数分别由0.409,0.306最高可提高到0.868,0.862。
The average absorption coefficient of the composite structures made by partt board and wooden fiberboard can increase up to 0.868, 0.862 from 0.409, 0.306.
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