1) improvement comparison
改造对比
3) the modification objects
改造对象
1.
Based upon the outcome of geology work in recent years,the authors put overview carefully in some aspects such as the modification controlling factors,the modification objects,the modification results.
依据多年来地质工作成果,对矿床(体)改造控制因素、改造对象及改造结果等方面进行了综述,矿床遭受改造后的变化包括:①矿体形态产状;②矿石结构构造与成分;③矿石品位;④矿床规模;⑤矿床类型;⑥矿床地质异常。
4) comparative plantation
对比造林
1.
The survey and evaluation to comparative plantation of Taxodium ‘Zhongshansa’ and T. ascendens, T. distichum and Metaseqoia glyptostroboides;
中山杉与池杉、落羽杉和水杉对比造林的调查和评价
6) plantation comparison
造林对比
1.
The plantation comparison trial was carried out between seeds in Eucalyptus grandis seed orchard and general seeds in Fujian Yong\'an National Forest Farm,the results suggested that the growth of trees generated from seed orchards were obviously better than that of the general seeds.
在福建永安国有林场开展了巨桉种子园种子与普通种子造林对比试验,结果表明:4年生时,巨桉种子园种子的林分生长量明显优于普通种子的林分生长量,其中以二代种子园种子的林分生长最快,一代种子园种子的林分次之;桉树种子园的种子造林增益明显,遗传改良成效显著;柳桉与巨桉普通种子造林的林分生长量相似。
补充资料：改造
①就原有的事物加以修改或变更，使适合需要：～低产田。②从根本上改变旧的、建立新的，使适应新的形势和需要：～思想ㄧ劳动能～世界。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条