We all have a first and last name, or personal and family name. But for many of us, it doesn’t stop there. We also have nicknames, (25)_______ mostly come from our real name. Some of them are ob
Even if they are on sale, these refrigerators are equal in price to, if not more expensive than, _____ at the other store. A. anyone B. the others C. that D. the ones
=m(
)2·r
T
由以上各式解得t=
arcsin(
)
.
arcsin(
)