For a number of the more important species, relative concentration profiles are shown in Fig.
若干比较重要的物质的相对浓度廓线示于图中。
As the index of value of species, the generalized abundance is more rationale than the number.
作为植物种的重要性指标，广义多度较个体数更为合理。
Spectrophotometry for Measuring Association Number and Association Degree in Solution State of the Species
用光度法测定物种溶液状态的缔合数和缔合度
Many forest tree species have multiple archegonia which,after fertilization produce a number of proembryos.
许多林木树种都有颈卵器，受精以后便产生许多原胚。
The number of this endangered species wintering in Macau has gradually been increasing since the early 1990s.
自1990年初开始，到澳门过冬的黑脸琵鹭数目连年递增。
The number of tracheids in vascular tissues of the root varies considerably among different species of Isoetes.
水韭不同种根内中央维管束的管胞数目存在差异。
Chromosome numbers which deviate from the normal number of chromosomes for a species are said to be heteroploid.
偏离了一个物种的整个染色体数目的叫做导倍体。
Conservationists are overestimating the number of species that have been driven to extinction, scientists have said.
科学家称，环保人士对灭绝物种得数量估计过高。
The main factor that resulted in the wetland avian community owning the highest number of species and amount was food.
食物是湿地鸟类群落的种数和数量较高的主要原因。
Since new species of dinosaurs are being discovered every year, itis difficult to proclaim an accurate number of how many there are.
由于新种恐龙被发现每年, 很难宣布准确数目有多少。
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