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spared protected preserved developed
Loaded displacement minus light displacement． Gross tonnage minus net tonnage Loaded displacement minus net tonnage Light displacement minus the weight of the vessel"
12000−200−150−100＝11550 12000−200−150−100+200＝11750 12000−200−150−100−30＝11520 12000−200−150−100+200+80＝11830
−31348 −30321 −38006 −23663
preserved protected developed spared
spared protected preserved developed
desirable shape and length. imitation of a living cell. delicate but destructive power. resistance to epidemics.
When enzymes can be commonly found in living cells. When the technology of producing a new type of fuel cell appears. When the technology of a new type of fuel cell is suitable for mass production. When the technology of mass producing cell phones appears.
loaded displacement minus light displacement． gross tonnage minus net tonnage loaded displacement minus net tonnage light displacement minus the weight of the vessel"
spared protected preserved developed
loaded displacement minus light displacement gross tonnage minus net tonnage loaded displacement minus the tonnage light displacenment minus the weight of the vessel"
（100−4，100+4） （100−2，100+2） （100−6，100+6） （100−8，100+8）
EV minus PV EV minus AC AC minus EV PV minus EV
spared protected preserved developed
spared protected preserved developed
83080−89575＝−6495 83080–89575+100–2248−1357＝−10000 83080−89575−1357＝−7852 83080+100−89575＝−6395
CO2+2OH−→CO32−+H2O Al2O3+2OH−+3H2O→2[Al（OH）4]− 2Al+2OH−+6H2O→2[Al（OH）4]−+3H2↑ Al3++4OH−→[Al（OH）4]−
Loaded displacement minus light displacement． Gross tonnage minus net tonnage Loaded displacement minus net tonnage net tonnage Light displacement minus the weight of the vessel"
和
−0.1和−10
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