应用分子钟也是一种手段，但误差比较大。
The application of molecular clocks is another approach, but it carries even greater errors.
通过科研人员校对“分子钟”，数据显示出该驯化水稻在大约8200年前的原始稻种。
Depending on how the researchers calibrated their clock, the data point to an origin of domesticated rice around 8, 200 years ago.
他们的分子钟数据证实更早的时候就出现了物种分化，可能是1亿2千万年前冈瓦纳古陆的破裂引发的。
Their molecular clock data suggest a much earlier speciation, perhaps prompted by the breakup of the ancient supercontinent of Gondwana around 120 million years ago.
知道了这四个种族已经有至少一万年历史，科学家重新计算了病毒的“分子钟”，测量病毒的变异速度。
Knowing that all four strains were at least 10,000 years old, scientists recalculated the virus's "molecular clock," measuring how fast it mutates.
知道了这四个种族已经有至少一万年历史，科学家重新计算了病毒的“分子钟”，测量病毒的变异速度。
Knowing that all four strains were at least 10, 000 years old, scientists recalculated the virus's "molecular clock," measuring how fast it mutates.
然而，利用分子钟方法所得出的不同门类起源时间总是早于化石记录，因此分子钟与化石记录的矛盾仍十分突出。
However, the origin time inferred by molecular clock is always earlier than that by the fossil record. This approach is still controversial.
遗传学家所说的“分子钟（molecular clock）”记录了这一进程，这些分子数据也说明了进化中各物种的过渡关系。
Geneticists speak of the “molecular clock” that recordsthe passage of time. These molecular data also show how variousorganisms are transitional within evolution.
韩万钟是杜兰大学细胞和分子生物学系的研究助理教授。
Manjong Han is an assistant research professor in the department of cell and molecular biology at Tulane University.
同时讨论果蝇和人类生物钟调节的共同分子机制。
And the common molecular mechanism of biological clocks between fly and human will be.
同时讨论果蝇和人类生物钟调节的共同分子机制。
And the common molecular mechanism of biological clocks between fly and human will be introduced.
从文本的深层结构而言，李佩钟更是作为知识分子形象言说的载体，在她身上凝聚着作者孙犁对知识分子个人话语的表达诉求。
From in-depth structure of the text, LI Pei-zhong is a carrier which speaks as the intellectual image, condensing intellectuals deep concern and the spiritual demand from author SUN Li.
生物钟相关基因相继被分离鉴定，它们及其编码的蛋白质产物构成的自主调节的转录和翻译反馈环是生物钟运转的分子机制。
The clock genes and the coded protein comprise the self-sustaining feedback loop that can regulate both on the transcriptional and on the translational level.
自1949年首个原子钟(以氨分子为磁振源)面世以来，原子钟的精度每十年就几乎提高十倍。
Every 10 years since the first one debuted in 1949, based on oscillations in the ammonia molecule, the accuracy has increased by about 10 times.
钱钟书的《围城》塑造了以方鸿渐为代表的三四十年代中国知识分子的精神典型。
Qian Zhongshu provided Chinese intellectuals spirit type from 1930s to 1940s which is represented by Fang Hongjian in "Besieged city".
整个准分子 激光 手术过程只需费时10至15分钟。
整个准分子 激光 手术过程只需费时10至15分钟。
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