Different RF bands are used in "aeronautical radio, navigation, broadcasting, and personal wireless communication services," according to EHS, while "specific frequencies are designated for industrial, scientific, and medical uses." Radiofrequency energy includes radio waves and microwaves. RF stands for radio frequency, and its radiation is a "nonionizing electromagnetic energy characterized by relatively long wavelength, low frequency, and low photon energy," according to the division of Environment, Health and Safety at Berkeley Lab. "You can push around Cuba. "Because it's China, because we have such a large trade relationship with them," Lenzi said.
while "regional kinds are used for aviation, transport, and energy," according to the free encyclopedia.
( z0 contrast :ARG2 ( z1 use :ARG1 ( z2 kind :mod ( z3 region ) ) :ARG1-of ( z4 say :ARG0 ( z5 encyclopedia :ARG1-of ( z6 free ) ) ) :ARG2 ( z7 and :op ( z8 aviation ) :op ( z9 transport ) :op ( z10 energy ) ) ) )
(z0 / contrast-01
    :ARG2 (z1 / use-01
              :ARG1 (z2 / kind
                        :mod (z3 / region))
              :ARG1-of (z4 / say-01
                           :ARG0 (z5 / encyclopedia
                                     :ARG1-of (z6 / free-03)))
              :ARG2 (z7 / and
                        :op1 (z8 / aviation)
                        :op2 (z9 / transport-01)
                        :op3 (z10 / energy))))
while " regional kinds are used for aviation , transport , and energy , " according to the free encyclopedia .
z2 :mod z3
z1 :ARG1 z2
z0 :ARG2 z1
z7 :op2 z9
z7 :op1 z8
z1 :ARG2 z7
z7 :op3 z10
z1 :ARG1-of z4
z5 :ARG1-of z6
z4 :ARG0 z5