土壤中的养分除氮外, 最初的来源都是母岩.The nutrient in soil divides nitrogen outside, prime source is Mu Yan.另外,还简略介绍了生物除氮磷的基础理论.It also summarizes basic principles on biological nitrogen and phosphorous asas some new significant views....
Mitzi nodded a perfunctory acknowledgement as her glass was filled.杯子被倒满时米芝敷衍性地点头示意。He brushed by with a perfunctory wave to the crowd.他擦身而过，朝人群敷衍地挥了挥手。Our interest was purely perfunctory.我们的兴趣只有三分热度。...
这次冲突是否是权威瓦解的征兆 呢 ?Was this clash the symptom of disintegrating authority?他的抵抗终究是会瓦解的.His resistance will break down in time.上述种种,说明了亚述帝国瓦解的历史必然性.All these show that the collapse of the Assyrian empire of historical inevi...
A change in enthalpy also takes place when a change of phase occurs.相发生变化时,焓也发生变化.Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated.研究了苯并口恶嗪二苯醚树脂固化时的体积收缩率 、 ...
In a crosswalk, pedestrians have the right of way.在过街人行道上, 行人有先行权.Pedestrians press along the pavements.行人们在人行道上熙熙攘攘走去。The cop signaled traffic to halt to allow pedestrians to cross the street.警察指示车辆停下以便让行人过街。Many pedest...