They were stranded in a snowdrift and had to be dug out .
他们被困在雪堆里,不得不让人挖出来。
The time we were stopped by the snowdrift was what ?
什么时候撞到雪堆停下来的?
Tissue culture and rapid propagation of malus " snowdrift crab "
“雪球”海棠的组织培养和快速繁殖
Key words : complex systems ; complex networks ; evolutionary game dynamics ; self-organizing cooperation ; prisoner 's dilemma ; snowdrift game .
关键词:复杂系统,复杂网络,演化博弈动力学,自组织合作,囚徒困境,雪堆博弈。
Randomness effect on cooperation in memory-based snowdrift game .
有记忆铲雪堆博弈中随机性对于合作的影响。
Formation mechanism and characteristics of snowdrift of highway in heilongjiang province .
黑龙江省公路风吹雪灾害形成机理与分布特征。
Theodore found grandma squirrel standing on top of a huge snowdrift . She had on a fuzzy coat with pink and white stripes . She was so busy scrubbing her windows that she didn 't see theodore coming .