N. General Assembly session. The U. S. and ASEAN committed to strengthening relations, and underscored the growing strategic importance of the relationship.
美国和东盟承诺加强关系,并强调双方关系具有越来越重要的战略意义。
It is of great importance to study the growth and nitrogen(N) uptaking by cotton for optimizing soil salinity, irrigation and fertilization strategies with drip irrigation under film.
在膜下滴灌条件下,进行了不同氮肥滴灌施肥方式和土壤盐度对棉花生长和氮素吸收影响的田间试验。
Chapter 1 introduced the importance of n-alkanes in organic geochemical study and the proposed main factors that affected the concentration of particulate or dissolved n-alkanes.
第一章重点阐释了正构烷烃的研究意义、影响颗粒态、溶解态正构烷烃含量的主要因素、国内研究现状和本文的研究意义。
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