晚期NSCLC脑转移的照射剂量为() ["50~60Gy","40~50Gy","20~30Gy","30~40Gy","60~70Gy"]
局部晚期NSCLC的姑息性照射剂量为() ["50~60Gy","40~50Gy","20~30Gy","30~40Gy","60~70Gy"]
中华白海豚身上的颜色随着年龄的增长而变化,年幼的中华白海豚是()。 ["A、白色","B、粉红色","C、灰色","D、蓝色"]
不能耐受手术或拒绝手术的早期NSCLC根治性放疗的照射剂量为() ["50~60Gy","40~50Gy","20~30Gy","30~40Gy","60~70Gy"]
过磷酸钙适合于()土壤和()作物。 ["A、各种、各种","B、沙壤土、各种","C、粘壤土、各种","D、壤土、禾本科"]
BT供电方式存在哪些问题?