无人机系统通讯链路主要包括:指挥与控制(C.&C.),(),感知和规避(S&A.)三种。
A.空中交通管制(A.TC.)
B.视频通信
C.通信中继
参考答案:A
在固体分散体中药物溶出速率快慢顺序是
A.分子态>微晶态>无定形B.微晶态>分子态>无定形C.微晶态>无定形>分子态D.分子态>无定形>微晶态E.无定形>微晶态>分子态
Directions:
A. Study the following picture carefully and write an essay in no less than 160-200 words.
B. Your essay must be written clearly on ANSWER SHEET 2.
C. Your essay should meet the requirements below:
1) Describe the following drawings,
2) interpret its meaning, and
3) give your comments.