A.隔離防護(hù) B.場(chǎng)源屏蔽 C.距離防護(hù) D.合理布局 E.采取個(gè)人防護(hù)措施
A.經(jīng)濟(jì)B.安全C.發(fā)展D.主權(quán)
A.細(xì)胞散在分布,失去極向B.細(xì)胞核長(zhǎng)梭形,核膜不規(guī)則C.胞核大小相仿D.細(xì)胞界限不清楚