植物防卫信号的产生类似于动物免疫系统因子的介导，并可由非寄主病原菌或诱导子诱发。
Plant defense signal uses the similar mechanism in the animal immunity system, and it can be initiated by non-parasitic pathogen and mediator.
在这样的实例中，系统分析人员可能会决定只确认那些确信因子在或高于一个具体限制——比方说80%——的特性作为确定的需求。
In such instances, the system analyst might decide to validate only those features whose sureness factor is at or above a specific limit — say 80 percent — as firm requirements.
这些研究发现提供了能用于调整登记系统中死亡数据的校正因子。
These findings provided correction factors that can be used for adjusting mortality data from the registration system.
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