【简答题】There is no easy solution to Japan’s labour ________. A) decline B) vacancy C) rarity D) shortage
【简答题】一磁电系表头,内阻为150Ω,额定内阻压降为45mV,欲改为量限15V的电压表,附加内阻为__________kΩ
【简答题】A.seat B.pace C.place D.vacancy
【简答题】有一磁电系表头,内阻为150 Ω ,额定压降为45mV,现将它改为 150mA 量程的电流表,问应接多大的分流器,若将它改为 15V 的舶电压表,则应接多大的附加电阻 ?
【多选题】Which is/are of followings about oxygen vacancy is/are correct?
A.
It does NOT follow conservation of lattice stoichiometry
B.
A 2+ cation substitute a 3+ cation leads to oxygen vacancy
C.
One may get rid of oxygen vacancy by synthesizing materials in oxygen-rich atmosphere
【简答题】A.continuity B.vacuum C.truth D.vacancy
【简答题】A.space B.room C.place D.vacancy
【简答题】In this new scheme, an unemployed person can share a job vacancy with ______.