Crikey mate

I'll answer the ones I can.
1. what is the usage or the definition of "Divination", "Fore warning", "Acute Premonitions", "Upkeep", "allegiance", "culture spread rate", "mitigation", "culture rsistance"
Upkeep = the amount it costs to keep your fleet (rises as you research a higher fleet cap)
Allegiance = How loyal your planet citizens are to you. If it hits 0, you lose the planet and it turns neutral. The higher it is, the more tax the population pays, and the more bonuses your fleets get (Advent = shield mitigation bonus I think)
Culture spread rate = The amount of culture being spread per second. Use it for the same reasons as above. To flip your opponents planets by bringing them to 0 allegiance.
Mitigation = Percentage additional damage reduction. For advent you get extra mitigation when your shields are up in high culture areas. All races get higher shield mitigation when a ship takes a lot of fire.
Culture resistance = Resistance to enemy culture pushing your culture back
Now these next three I think are right - but as they're from memory, I could be totally wrong, so don't quote me on them

Fore warning - allows you to see invaders one jump away
Acute premonition - allows you to see invaders two jumps away
Divination - Reduces the cost and the time it takes to explore planets
3. is trade port really helps the credit income boost up?
They do yep, as well as increasing your planets populations.
4. when using the space phase jump, the antimatter will deduct, but why i still be able to process the phase jump when my ship has 0 antimatter, what's wrong with it? Also, can someone list all the usages of antimatter?
感謝回答~~respectly and sincerely!
This is because it costs anti-matter to jump. Note you don't actually need antimatter, so you can be at zero and still jump. If you have any more than 0 though, it'll take some off you (100 is it? I forget how much exactly)
That's all I got

Cheers,
Mopy