常見例句Earlywood and latewood have a pronounced difference in colour, the latewood having darker, more sharply defined bands. 早木及晚木顏色分別明顯,后者有更深、更尖的帶狀。The result revealed that the microfibril angle of earlywood and latewood had a high significant difference among clones. 日本落葉松微纖絲角的徑向變異規(guī)律為:在髓心處最大,以后逐漸減小。The crack was blocked by the vessel, spindly ray and the border of earlywood and latewood.The intercellular layer of ray peeled off easily under ... 導(dǎo)管、紡錘形木射線和早晚材邊界對裂紋擴(kuò)展起到阻擋的作用,在軸向力作用下木射線的破壞主要是胞間層的撕裂,紋孔常常保持完整的形態(tài),裂紋順著紋孔邊緣擴(kuò)展。The results showed that Chinese pine presented high sensitivity to climatic changes, and its earlywood width showed the highest sensitivity. 結(jié)果表明:油松生長對環(huán)境變化十分敏感,以早材最為敏感。During the wood drying, the tangential strain is larger than the radial one.The strain of latewood is much more than that of earlywood in the same direction. 弦向總應(yīng)變約為徑向總應(yīng)變的1.;8倍,干燥中弦向應(yīng)變比徑向應(yīng)變大,同一方向晚材應(yīng)變比早材應(yīng)變大。The broad sense heritability estimates of clones were 0.7674 and 0.8043, indicating the microfibril angle of earlywood and latewood was under strong genetic control. 早材和晚材的微纖絲角受中到強(qiáng)度遺傳控制,廣義遺傳力分別為0.;7674、0 返回 earlywood