mean number
[数] 平均数
2026-03-21 19:32 浏览次数 22
[数] 平均数
the mean number of medications used per patient preoperatively was 1.53 in the phaco-ecp group and 1.20 in the phaco group.
联合手术组手术前平均每个病人用药为1.53种,而在单纯超声乳化组为1.20种。
the simulation result shows, when the mean number of bits per subchannel is less than 4, the ber performance of power minimization algorithm is greatly better than that of fix-bit modulation.
通过仿真结果表明,在每个子信道的平均调制比特数不高(4)的情况下,功率最小化算法的误码率性能明显好于固定调制。
the mean number of pollen grains per stigma is 8—12 most of the pollen grains are from self pollination. the pollen vigour is strong in the pollinating period.
柱头上的平均花粉量为8—2 1个,但多数为来自自花的花粉,散粉期花粉活力较高。
the influences of the electronic velocity on the mean number of phonons of the strong-and weak-coupling polaron in a semiconductor quantum dot are derived.
导出了电子速度对半导体量子点中强、弱耦合极化子的声子平均数的影响。
the ground state energy, the vibrational frequency and the mean number of optical phonons are expressed as a function of the confinement strength of quantum wire and the coulomb bound potential.
计算了抛物量子线中强耦合束缚极化子的基态能量、振动频率和声子平均数。讨论了这些量对库侖束缚势和约束强度的依赖关系。
a total of 174 alleles were detected across the 23 microsatellite loci. all the loci were polymorphic and the number of alleles varied from 3 to 12, and the mean number was 7.5 alleles per locus.
结果表明,共检测到174个等位基因,23个座位都呈现出多态性,23个微卫星座位的等位基因数在3~12个,平均等位基因数为7.5个。
patients had a mean number of 5.3 metastases (bilobar in 76%), associated to extrahepatic disease in 27%.
这些患者的平均转移瘤为5.3个(76%有分叶),27%患者合并肝外疾病。
the current analysis included data from 549 participants who wore the device for a mean number of seven days;
现在的分析包括了平均携带了七天的549名参与者。
the mean number of alleles per microsatellite locus (1.89) in bc population was considerably lower than that (2.44) in rbc population.
平均每个微卫星位点在红鳙群体和普通鳙鱼群体中检测到的平均有效等位基因数分别为2.44和1.89。
in this paper, the properties of the mean number of optical phonons of the polaron in a polyatomic crystals are studied.
研究多原子晶体中极化子光学声子平均数的性质。
the relations of the vibrational frequency, the ground state energy, and the mean number of phonons of the strong-coupling bound magnetopolaron in a quantum dot with the temperature are derived.
采用线性组合算符和幺正变换方法研究量子点中强耦合束缚磁极化子性质的温度依赖性,导出了强耦合束缚磁极化子的振动频率、基态能量和声子平均数随温度的变化关系。
numerical calculations are performed for gaas semiconductor as a example and the results show that the mean number of optical phonons of weak-coupling exciton decrease with the.
研究了电子-体纵光学声子弱耦合情况下,抛物量子点中激子的性质。
six is the mean number between three and nine.
六是三和九的中间数。
the vibration frequency and the mean number of phonon of the strong coupling polaron in parabolic quantum wires will strongly increase with decreasing the effective confinement length.
强耦合极化子的振动频率和声子平均数随有效受限长度的减小而迅速增大。
the result showed that the variety of the effective number of alleles was small. the mean number of alleles is 1.249 (1.037-1.997).
结果显示盐芥居群不同位点间有效等位基因数变化很小,其变化范围为1.037-1.997,平均等位基因数为1.249个。
numerical calculations are performed and the results show that the vibrational frequency and the mean number of optical phonons will increase with increasing the coulomb bound potential.
数值计算结果表明:量子线中强耦合束缚极化子的基态能量随库侖束缚势的增加而减少,随约束强度的增加而增大;
the mean number of lymph nodes retrieved per patient was 14.7 with vats and 18.1 with open thoracotomy.
平均每个胸腔镜手术病人可以清扫出14.7个淋巴结,平均每个开胸病人可以清扫出18.1个淋巴结。
what you do first is to calculate the mean number .
你首先要做的是算出平均数。
britain places a disappointing 26th, down four places from a year ago, reflecting in particular a relatively low mean number of years of schooling for its population.
英国排在令人失望的第26位,比一年前下降4位,相对应的尤其是其人口的一个相对较低的受教育时间。