| 单词 | npk |
| 释义 | NPK[ en-pee-key ] / ˈɛnˈpiˈkeɪ / abbreviation, nounHorticulture. a ratio of percentages of the three nutrients—nitrogen, phosphorus, and potassium—that are especially important in a plant fertilizer. A fertilizer’s NPK is given as a series of three numbers, for example, 24–6–6, which means the content is 24 percent nitrogen, 6 percent phosphorus, and 6 percent potassium, so the NPK expressed as a simple ratio is 4:1:1. Origin of NPKFirst recorded in 1900–05; from the chemical symbols for nitrogen (N), phosphorus (P), and potassium (K) Words nearby NPKnozzle, Np, NPA, NPC, NPD, NPK, NPL, NPN, NPO, n.p. or d., NPR Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
| 随便看 |
英语词典包含192737条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。