《资产评估说明》是对评估对象进行核实、评定估算过程的详细说明，应当包括的内容有（）。

A.评估对象与评估范围说明

B.资产核实总体情况说明

C.评估技术说明

D.评估结论及分析

In a public-key cryptosystem, (71) encrypted with the public key can only be deciphered with the private key from the same (72) . Conversely, (71) encrypted with the private key can be decrypted only with the public key. Users can make their public keys (73) available or place them at a key distribution center or others to access. However, the private key must be (74) safe. In public-key systems there’s no (75) to find a safe channel for communicating a shared secret key.

（72）是（）

A.length

B.pair

C.size

D.space