Haack confirmed his assumption of gradual differences in resistance by making artificial inoculations on infected, less infected and healthy trees . Haack通過在被侵染,較少侵染和健康樹木上實行人工接種,證實了他關(guān)于在抗性方面程度漸次不同的假設(shè)。
Haack confirmed his assumption of gradual differences in resistance by making artificial inoculations on infected , less infected and healthy trees Haack通過在被侵染,較少侵染和健康樹木上實行人工接種,證實了他關(guān)于在抗性方面程度漸次不同的假設(shè)。
" the internet is spurring this , " haack said . " you can go online and check out hotels using 20 or 30 [ b ] [ i ] criteria [ / i ] [ / b ] , considering only those that meet your standards . 網(wǎng)際網(wǎng)絡(luò)助長了這種趨勢,哈克說:你可以上網(wǎng)用二、三十種評量標(biāo)準(zhǔn)來查看一些旅館,只考慮那些符合你要求的旅館。