30 30 30

3085%2040% 30

30% 70% .

sin 30cos60 sin60cos3032 sin45cos4522 tan 451 tan3033 tan603 sin304590cos30,45,603tan30tan60 tan45.

3 7.9 Emilia Clarke Sam.

30% 17% .

30

DNS DoT/DoH DNS DoH HTTPS DoH .

30 --- .

30,options7

30