| 单词 | nanogram |
| 释义 | nanogram (once / 203782 pages) n WORD FAMILY nanogram: nanograms USAGE EXAMPLESOne nanogram of DNA from each pool was digested and fragments of insert size ranging from 500 to 550 bp were selected. Nature(Oct 04, 2016) Schools must stay below thresholds of between 100 and 600 nanograms per cubic meter, depending on the age of the students, according to the EPA. Washington Post(Oct 05, 2016) The answer is “more than 0.00 nanograms per milliliter of blood,” something every new driver will be expected to know. Seattle Times(Aug 09, 2016) n one billionth (1/1,000,000,000) gram Syn|Hyper ng metric weight unit, weight unit a decimal unit of weight based on the gram |
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