molybdenum deficiency is found when legumes are grown on acid soils . 在酸性土壤上种植豆科作物时常发现缺钼。
prof . wao tang heads national project on acid rain 王韬教授领导国家重点酸雨研究
for more information on acid, please see 有关acid的更多信息,请参见
printed on acid-free paper 可浏览文摘。
sqlite does not support foreign key constraints, but supports atomic, consistent, isolated, and durable acid transactions more on acid later sqlite不支持外键限制,但支持原子的、一致的、独立和持久(acid)的事务(后面会提供有关acid的更多信息)。