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为了扩展这一点，我怎样才能用变量来做到这一点？
fvariable foo 6.2e foo f! fvariable boo 8.2e boo f! boo @ foo @ f> // How is this done?
f@您可以使用和访问浮点变量f!。
f@
f!
boo f@ foo f@ f>