物质中不同核同位素的相对丰度能够提供更多的线索。
The relative abundance of different nuclear isotopes in the material could reveal additional clues.
协惯量分析结果表明，相对丰度与环境变量显著相关。
A co-inertia analysis showed that species abundance and environmental variables had significant relationship.
指纹型材被发现从不同的地点采集草药一致，但峰的相对丰度变化。
Fingerprint profiles were found to be consistent for the herbs acquired from different locations, but the relative abundance of peaks was varied.
二碱基指纹是指全部1 6种二碱基组合在一个序列内的相对丰度。
The dinucleotide signature is the relative abundance of all 16 dinucleotides in a sequence.
文昌组浮游藻类相对丰度高，表明始新世珠江口古湖的表层水初始生产力高。
The high relative abundance of the fossil planktonic algae indicates the high primary surface productivity of the palaeo-lake within the Oligocene.
文章指出古群落和现代群落的种的相对丰度具有类似的分布，即对数正态分布。
Results indicate that the distribution of species relative abundance of paleocommunity is similar to that of living community and both have logarithmic normal distribution.
金属丰度是对恒星内除氢和氦之外元素的相对丰度的度量(天文学中比氦重的元素都叫金属。——译者注)。
Metallicity is a measure of the relative abundance in a star of elements other than hydrogen and helium.
注意：对于PFTBA特定的质量数，有目标相对丰度。系统调谐结果尽可能靠近表4所列丰度要求。
NOTE: There are target relative abundances for certain PFTBA masses. The system will come as close as possible to the values shown in Table 4.
生命若在太阳系其他地方引起相当的影响，那些对它们具有生死关键的相对化学元素丰度，无论是什么，很可能暴露它们的存在。
If life has had a comparable impact elsewhere in the solar system, the relative abundances of chemicals key for its survival -whatever they may be -could betray its presence.
结果表明，对不同氘丰度的气体样品，单次测定的相对标准偏差好于0 2 % ，氘丰度测量值在0 2 %的误差范围内是可信的。
The results indicate:relative standard deviations are better than 0.2% for gas samples of different deuterium abundance. Measure value is believable in the error range of 0.2%.
对于给定的校准标准计算出相对同位素丰度和相应于该丰度的同位素的实际的质量位置。
Relative isotope abundances and actual mass locations of isotopes corresponding thereto are calculated for the given calibration standard.
在计算出的相对同位素丰度与质谱目标峰形状函数之间执行卷积运算，以形成计算的同位素峰集群数据。
Convolution operations are performed between the calculated relative isotope abundances and the mass spectral target peak shape functions to form calculated isotope peak cluster data.
通过对不同形式的离心级联进行丰度计算，得到任意两种组分间的全分离因子与它们的相对分子质量之差成指数关系。
Analysis of the filtered experimental data gave an exponential relationship between the overall separation factor of the cascade and the relative molecular mass differences.
通过对不同形式的离心级联进行丰度计算，得到任意两种组分间的全分离因子与它们的相对分子质量之差成指数关系。
Analysis of the filtered experimental data gave an exponential relationship between the overall separation factor of the cascade and the relative molecular mass differences.
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