时间:2011-02-23 15:18来源:蓝天飞行翻译 作者:航空 点击:次
Aligned white marks on the wheel and tyre indicate that there is no creep. alignment /.'la.nm.nt/ noun 1. position in relation to an axis or a line 口 to check the alignment of something to make sure it is in the correct position relative to an axis or line 口 to maintain alignment with the runway to keep the aircraft on the imaginary extended centre line of the runway 2. correct position in relation to something else口 out of alignment not aligned as it should be alkaline /'.lk.la.n/ noun a substance with a pH value of more than 7 alleviate /.'li:vie.t/ verb to reduce or lessen the harmful effect of something 0 Anti-icing additives are available to alleviate the problem of icing. alleviation /.,li:vi'e.. (.)n/ a reduction or lessening of the harmful effect of something 0 Deep, regular breathing may provide some alleviation from stress. allocate /'.l.ke.t/ verb to provide something particular for a given pur-pose 0 Special seats are allocated to mothers with small children. allocation /,.l.'ke.. (.)n/ noun the provision of something particular for a given purpose 0 At the check-in desk, airline staff are responsible for the allo-cation of seats to passengers.口 fre-quency allocation the frequency or range of radio frequencies set aside for a particular use 0 The frequency alloca-tion for VOR is 108–117.975 MHz. allow /.'laυ/ verb to enable, to permit or to authorise 0 An engine should be run at low rpm after flight to allow engine components to cool. 0 Addi-tional fuel is carried to allow for hold-ing en route. Passengers are not allowed to smoke on some aeroplanes. allowable /.'laυ.b(.)l/ adjective per- mitted or authorised 0 maximum allow-able weight 0 maximum allowable tyre pressure allowance /.'laυ.ns/ noun 1. consid-eration for possibilities or changing cir-cumstances 口 to make allowances for to take into account 0 When estimating flight duration, make allowances for taxiing time. 2. something such as money given at regular intervals or for a specific purpose 0 a travel allowance to cover hotel and restaurant bills. 3. the amount of something that somebody is allowed to have ‘…with many four and six seat aircraft, it is not possible to fill all the seats, use the maximum baggage allowance, fill all the fuel tanks and remain within the approved centre of gravity limits’ [Civil Aviation
alloy /l../ noun a mixture of metals |