| 单词 | naas |
| 释义 | > as lemmasNAAS NAAS n. British (now historical) National Agricultural Advisory Service (replaced by ADAS in 1971). ΚΠ 1948 Sci. News 6 48 The N.A.A.S., which is the only body giving advice on the whole of agriculture. 1971 Arable Farmer Feb. 70/1 A nationwide series recently completed by NAAS, of 77 experiments testing nitrogen, phosphate and potash rates for spring barley. 1983 New Phytologist 95 249 A dry ashing method based on that of NAAS (1968) was chosen for all trace element analyses. < as lemmas |
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