在各种规定的培养基上可得到锈菌的单体纯净培养物.The axenic culture of rusts has been achieved on various defined media.这为霉菌的生长提供良好的培养基.It provides a good medium for growth of molds.马铃薯对许多细菌是一种良好的培养基.The potato is a good nutrient medium for many...
Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层.The construction techniques of cement treated macadam base are always paid more attention ...
Ann Bradley dispels the old wives' tales and gives the medical facts.安·布拉德利破除迷信，给出了医学事实。Their songs are filled with tales of love gone sour.他们的歌里充斥着变了味的爱情故事。She made history come alive with tales from her own memori...