It is probably safe to assume that almost any scotch pine could be crossed with almost any other scotch pine . 可以有把握地这样设想，几乎任何的苏格兰赤松都能和其他任何的苏格兰赤松杂交。
2.
Base on discuss , choosing mongolian scotch pine and manchurian ash as experiment species , using three kinds of wood fire - retardant treatment methods which included soaking at some pressure , pressurized soaking under ultrasonic wave and the pressurized soaking under ultrasonic wave after treated by microwave , the result is that ultrasonic wave may apply in wood fire - retardant treatment production 在讨论的基础上，以樟子松和水曲柳为木材试样，选择压力浸渍、超声波加压浸渍和微波处理后超声波加压浸渍3种木材阻燃处理方法，经过试验，说明在生产阻燃木材的浸渍方法中引入超声波技术是可行的。
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