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necessary    音标拼音: [n'ɛsəs,ɛri]
a. 必须的,需要的,必然的,不可缺少的
n. 必需品

必须的,需要的,必然的,不可缺少的必需品

necessary
必要

necessary
adj 1: absolutely essential [ant: {unnecessary}, {unneeded}]
2: unavoidably determined by prior circumstances; "the necessary
consequences of one's actions"
n 1: anything indispensable; "food and shelter are necessities
of life"; "the essentials of the good life"; "allow farmers
to buy their requirements under favorable conditions"; "a
place where the requisites of water fuel and fodder can be
obtained" [synonym: {necessity}, {essential}, {requirement},
{requisite}, {necessary}] [ant: {inessential},
{nonessential}]

Necessary \Nec"es*sa*ry\, a. [L. necessarius, from necesse
unavoidable, necessary; of uncertain origin: cf. F.
n['e]cessaire.]
1. Such as must be; impossible to be otherwise; not to be
avoided; inevitable.
[1913 Webster]

Death, a necessary end,
Will come when it will come. --Shak.
[1913 Webster]

2. Impossible to be otherwise, or to be dispensed with,
without preventing the attainment of a desired result;
indispensable; requisite; essential. "'T is necessary he
should die." --Shak.
[1913 Webster]

A certain kind of temper is necessary to the
pleasure and quiet of our minds. --Tillotson.
[1913 Webster]

3. Acting from necessity or compulsion; involuntary; --
opposed to {free}; as, whether man is a necessary or a
free agent is a question much discussed.
[1913 Webster]


Necessary \Nec"es*sa*ry\, n.; pl. {Necessaries}.
1. A thing that is necessary or indispensable to some
purpose; something that one can not do without; a
requisite; an essential; -- used chiefly in the plural;
as, the necessaries of life.
[1913 Webster]

2. A privy; a water-closet.
[1913 Webster]

3. pl. (Law) Such things, in respect to infants, lunatics,
and married women, as are requisite for support suitable
to station.
[1913 Webster]

94 Moby Thesaurus words for "necessary":
absolute, apodictic, backhouse, binding, bound, called for,
cardinal, certain, choiceless, clear, clear and distinct,
clear as day, closet, compelling, compulsory, conclusive,
constraining, crapper, de rigueur, decisive, definite, determinate,
dictated, essential, exigent, fated, fateful, fundamental,
imperative, imperious, important, importunate, indefeasible,
indicated, indispensable, ineluctable, ineludible, inerrable,
inerrant, inescapable, inevasible, inevitable, inexorable,
infallible, inflexible, involuntary, irreducible, irreductible,
irreplaceable, irresistible, irrevocable, jakes, mandatory,
momentous, must, necessitous, needed, needful, obligatory, office,
outhouse, peremptory, perfectly sure, positive, predestined,
predetermined, prerequisite, relentless, required, requisite,
resistless, significant, sure, sure as death, sure as fate,
sure-enough, true, unambiguous, unavoidable, uncontrollable,
undeflectable, unequivocal, unerring, unevadable, unforgoable,
univocal, unmistakable, unpreventable, unstoppable, unyielding,
urgent, vital, wanted, without choice



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  • Valve adjustment really necessary? | Honda Accord Forums - The . . .
    What can I expect from doing a valve adjustment on my v6 engine with 112k? Increased performance? wondering if it's worth the trouble
  • Why breaking in a barrel is NOT necessary - Snipers Hide
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  • Is brake fluid change really necessary? | Honda Accord Forums - The . . .
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  • Brake flush necessary? | Honda Accord Forums - The DriveAccord . . .
    The owner's manual recommends brake fluid flush every 3 years Other places I have read heard this is overkill What do you guys think? What do you pay for it?
  • Is flushing the coolant system necessary? | Honda Accord Forums - The . . .
    In my opinion using distilled water to flush is a bit overkill Also, insisting on Honda coolant is a fine but not necessary if you are flushing the whole system (be sure to get the heater core) If you have a air bubble the engine will not circulate coolant properly and may overheat
  • Necessary to jump SCS line? - Drive Accord Honda Forums
    I'm trying to read the resistance of both the drive and driven pressure control solenoid valves inside the CVT thru the PCM C connector Pin 4 is the drive solenoid Pin 10 is the driven solenoid Its simple enough to grab a multimeter and check the resistance between those pins and ground
  • Is body armor necessary for a civilian? - Snipers Hide
    Not necessary But it's nice to have in case you need it Level 3 and 3a stuff can be had for a reasonable price I'm basically a cooked vegetable on the couch but I found the Premier Armor Discreet Executive vest on sale and its good enough for my needs
  • PCV Valve: replacement necessary? | Honda Accord Forums - The . . .
    In the old days, PCV value used to be a tune up item Is it still the case on our 7th gen, especially V6? I'm pretty sure mine is still the original and works properly Wondering if it is necessary to replace it Have you replaced the PCV? If so, why?
  • When to use an expander mandrel; is it even necessary?
    I use a turning mandrel in place of the expander button on your decapping pin with the idea that it produces less runout than the expander button In short, I have a Dillon 550 and the first station is a F L sizing die with no decapping pin or expander button The second station is a carbide turning mandrel This mandrel is intended to create more even neck tension by expanding all the necks
  • Necessary twist for . 308 175gr. . . ? | Snipers Hide Forum
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