简述西红花的作用。
The following exhibit displays the NetFlow statistics for a CIS router, which will be helpful for a network administrator to collect IP traffic information. Which two numbers separately refer to the percentage of packets sized between 32 and 64 bytes and the number of flows in progress?（） [" 24.9%, 980"," 6.94%, 980"," 69.4%, 35"," cannot be determined from this output"," 69.4%, 4061"]
指数积分法针对下面（）密码算法的分析方法。 ["背包密码体制","RSA","ElGamal","ECC"]
青藏高原》唱响全国：是谁带来远古的呼唤，是谁留下千年的期盼，难道说还有无言的歌，还是那久久不能忘怀的眷恋……呀拉索，那可是青藏高原。下列哪些事件给西藏地区带来了翻天覆地的变化（）。 ①七届二中全会的召开 ②1954年《中华人民共和国宪法》的颁布 ③1965年西藏自治区的成立 ④改革开放 ["①②③④","②③④","①②③","①②④"]
Which two methods can be used to prevent or reduce RFI from colocated directional antennas（） ["Alternate polarization between colocated antennas","Cross-polarize antennas between endpoints","Install an RF-shielded box around the antennas","Increase the distance between the antenna"]
结构起伏
