In English, "a" and "an" are called the indefinite article, and "the" is called the definite article.
在英语中，“a”和“an”被称为不定冠词，“the”被称为定冠词。
"Maybe" or "perhaps" is a very indefinite answer.
“可能”或“也许”是一个非常不确定的答案。
Indefinite article: used to indicate that a thing is not identified as unique.
不定冠词：用于指定不特定不唯一的东西。
Definite and indefinite articles are unaffected by gender (the actor, the actress; a bull, a cow.)
定冠词和不定冠词不受性别的影响(the actor,the actress；a bull, a cow)。
For epistemology, human beings are being understood as a combination of indefinite and finite characteristics.
在认识论上，人的认识能力既是无限的，又是有限的。
Stem of character — life will be indefinite and purposeless — like a body of stagnant water, instead of a running stream doing useful work and.
如果缺乏这种力量，人生将变得模糊不定，毫无意义可言：就如同一潭死水，而非奔腾不息的河流——总在进行有效的工作，推动整个地区的机械运作，让世界充满勃勃的生机。
FCCU (fluid catalysis and cracking unit) is a highly non-linear, time variable, long time delay, intensive coupling, parameter distributed, indefinite and complex system.
催化裂化装置是一个高度非线性、时变、长时延、强耦合、分布参数和不确定性的复杂系统。
NATO might then have to maintain a protectorate in eastern Libya for an indefinite period.
那么北约有可能不得不在利比亚东部无限期的保留一块保护地区。
If the number is huge or indefinite, a state machine is probably not the right approach.
如果数字很大或者不确定，则状态机也许不是正确的解决方法。
These delivery orders are issued under a previously announced contract modification on an existing indefinite delivery, indefinite quantity contract.
该交付订单是根据过去对一项未交付时间、未交付数量合同的修正。
A seal can make and hold a single note for what seems like an indefinite period. You hear it in the distance and it sounds like a railroad train with its whistle stuck at a nearby station.
海豹会长时间的保持一种音调，在很远的地方你就能听到，这种声音类似于火车快进站时鸣笛被塞住时发出的闷响声。
Mesmerised by the goal of getting a new job, moving to a better house or finding a person to share our life with, we can end up putting the rest of our life on indefinite hold.
获得一份新工作、搬入一套更好的房子、找到共度人生的另一半，着迷于此的我们，可能余生都会在无尽的等待中度过。
LUFS is a hybrid user space filesystem framework that supports an indefinite number of filesystems transparently for any application.
LUFS是一个混合用户空间的文件系统框架，它对用于任何应用程序无数的文件系统提供透明支持。
A program as to the theory of simplifying the indefinite degree in the teaching of engineering physical experiment is advanced.
本文就如何在工程物理实验教学中简化不确定度理论。提出一种方案。
The indefinite delivery/indefinite quantity (ID/IQ) contract has a potential value of ＄300 million over five years.
这份不确定交付／不确定数量（ID/IQ）合同的潜在价值达3亿美元，为期5年。
He’s a critic of ”umbrella” contracts, which allow large amounts of diverse work to fall under one contract, like what are known as “indefinite delivery–indefinite quantity” contracts.
他是一揽子合同(umbrella contract)的批评者，这类合同在一个大合同下包含着许多不同的协议，诸如人们所知的“不定期交货合同，不定量合同。”
The Navy has awarded indefinite-delivery, indefinite-quantity contracts to 340 contractors that will compete for a variety of command task orders that collectively could be worth ＄5.3 billion a year.
国海军已经向340个承包商授予了不确定交付/不确定数量（ID/IQ）合同，这些合同商将竞争多个司令部任务订单，每年的总价值将达到53亿美元。
The initial delivery order was placed against a recently signed ＄59.7 million indefinite delivery, indefinite quantity (IDIQ) contract.
这份初始订单是根据最近签署的一份价值5879万美元的IDIQ合同授予的。
This is the indefinite description of a relatively short space of time.
这是无限期描述相对较短的时间内。
A noun phrase can consist of more than one key nouns and modifiers, which makes the structural relationship variable and indefinite, and so it can easily cause ambiguity.
英语名词短语结构中可以包含多个修饰语和中心词，结构关系具有可变性、不确定性，因而极易产生歧义。
A pause of some seconds succeeded, filled up by the low, vague hum of Numbers; Miss Miller walked from class to class, hushing this indefinite sound.
几秒钟肃静之后，响起了低沉而含糊的嗡嗡声，米勒小姐从—个班兜到另一个班，把这种模糊的喧声压下去。
Then I'd like to fly to Denver for a stay of two nights. I want to go on to Los Angeles by plane for an indefinite stay of three or four days.
然后，我乘飞机到丹佛，在那儿待两个晚上，最后乘飞机到洛杉矶，在那儿待3天或4天。
The Navy has awarded ManTech International Corp. a.5 million extension that calls for a range of it services under a previously awarded indefinite-delivery, indefinite-quantity contract.
[据防务系统网站2011年3月29日报道]根据先前授予的不确定交付不定数量(IDIQ)合同，美国海军已授予ManTech国际公司一份价值1750万美元的扩展合同，要求提供一系列的信息技术服务。
The Navy has awarded ManTech International Corp. a.5 million extension that calls for a range of it services under a previously awarded indefinite-delivery, indefinite-quantity contract.
[据防务系统网站2011年3月29日报道]根据先前授予的不确定交付不定数量(IDIQ)合同，美国海军已授予ManTech国际公司一份价值1750万美元的扩展合同，要求提供一系列的信息技术服务。
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