生物防治是一种生态学上的很好解决为害物的方法.Biological control is an ecologically sound approach to pest suppression.同样,许多农学院和农业大学中也忽视基础生态学.Basic ecology has similarly been ignored in many agricultural schools and universities.对植物生态学的研究通常比动物...
Objective : To investigate the cell source secreting the granulocyte granulocyte colony - stimulating factors ( GM - CSF , G - CSF ) in human placenta.目的: 确定脐血中高水平的造血因子的来源.Secreting or yielding a milky juice , as certain...
These seedlings may be budded in the field to desired varieties.这些实生苗可以在田间把所需要的品种芽接上.Leaves budded , flowers bloomed, and finally, grapes formed. The grapes fed many.叶茂, 花繁, 最终结满了葡萄, 供很多人享用.Deep pinkish blue crown _ shap...
Their behaviour was noxious.他们的行为令人生厌。Heavy industry pollutes our rivers with noxious chemicals.重工业产生的有毒化学品会污染我们的河流。Noxious gases had built up in the sewer.下水道的有害气体越积越多....
There are bound to be teething problems with something so new.如此新鲜的事物刚开始必然会有些问题。Teething can be painful and make your baby irritable.长牙会很难受，婴儿会烦躁不安。The problems went deeper than mere teething difficulties.问题不仅仅是起始阶段的小麻烦那...
一种叫作吡啶酮的新型抗艾滋病药物能促使艾滋病毒变异，使其不能繁殖，也不会再感染新的细胞。A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.目的 研究2乙基3 羟基 6苯硫基4 ( 1H ) 吡啶酮 ( HPP ) 的抗氧化作用.AIM To study...
Lymph node enlargement occurs early in chronic lymphocytic leukemia.慢性淋巴细胞性白血病,出现淋巴结肿大较早.Other lymphatic system disorders include lymphocytic leukemias and lymphoma.其它淋巴系统疾病包括淋巴球性白血病与淋巴瘤.Early stem cell transplantation f...
Never mind the side issues, let's get down to brass tacks and thrash out a basic agreement.别管枝节问题, 让我们讨论问题的实质,以求得基本一致.Three shaggy-haired men thrash tunelessly at their guitars.3 个头发蓬乱的男人没腔没调地乱弹着吉他。Harry always invi...