种牛痘疫苗可以控制住天花.Smallpox can be contained by vaccination.种牛痘可以免患天花.Vaccination immunizes people against smallpox.种牛痘防天花是有效的.Vaccination for smallpox is efficacious....
总可以做到使得简并的本征函数是正交的.It can always be arranged that degenerate eigenfunctions are orthogonal.此外, 这三个解全都是互相正交的.Further, these three solutions are all orthogonal to each other.和两个不同的主胁变相对应的主方向是互相正交的.The principal directions ...
Richard told me of three 16th-century folio volumes on alchemy.理查德告诉过我16世纪的三卷关于炼金术的对开本书籍的事。The manuscript you sent us has a folio missing.你送来的原稿少了一页.Ideal English language teacher creative arts students plan to study abr...
Hematoporphyrinactual injection is an asepsis liquor of hematoporphyrin.血卟啉注射液就是血卟啉的无菌水溶液.The biological activities of three home - made hematoporphyrin derivatives ( HpD ) are compared with that of photofrin.本文比较了三种国内血卟...