The weak ecological environments are complex and multiplicity And they are damageable.脆弱生态环境地区复杂多样,易被破坏.As the most damageable component of bridge, the concrete bridge deck is most required to maintain.混凝土桥面板是桥梁组成部分中最易损坏...
原生地野生种往往是成群生长, 很少有病虫害侵袭.Proterozoic is feral planting often is to grow in crows, rarely and insect pests is invaded.各野生种及其变种类型均聚到了一起, 与传统的系谱基本一致.Finally all the wild apple species and their varieties clustered together, ...
There's a time lag between infection with HIV and developing AIDS.从感染艾滋病病毒到病发有一段滞后期。For more general application the double time lag model should be used.对于更一般的应用,应当采用双肘滞模型.Increasing the total time lag is destabili...
Behind every apartment - houses, beside each dwelling, were small garages.每一座公寓房子后面和每一所住房旁边都有小小的汽车房.We slip nip it in trap bud befloatinge it garages brick worse.咱们因该在事态变坏前就把它扼杀在萌芽期.Garages and service stations typically...