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- n. 必需品未考
a. 必需的，必要的21 次
it is necessary to introduce prescribed burns.
有必要引入计划烧除。
Sue Rexford, the director of college guidance at the Charles E. Smith Jewish Day School, says it is not necessary for a student filling out the Common Application to list 10 activities in the application.
查尔斯·E·史密斯犹太走读学校的升学指导主任苏·雷克斯福德说，填写通用申请表的学生没有必要在申请中列出10项活动。
Scopus itself has all the data necessary to detect this malpractice.
Scopus本身拥有发现这种不当行为所需的全部数据。
“As the marketplace adapts to the new requirements, and the technologies that support them, the scaling up of these technologies will eventually bring costs down, but in the short term, we will all have to pay the price of the necessary transition,” he says.
“随着市场适应新的要求以及支持这些要求的技术，这些技术的规模化最终会降低成本，但在短期内，我们都必须为这一必要的转型付出代价，”他说。
The reach of art-science tie-ups needs to go beyond the necessary purpose of research communication, and participants must not fall into the trap of stereotyping each other.
艺术与科学合作的范围需要超越传播研究成果这一必要目的，参与者也绝不能陷入对彼此抱有刻板印象的陷阱。
But are such government mandates even necessary?
但这样的政府强制规定真的有必要吗？
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“We’d assumed we’d have to give it a moving head and tail, facial features, and put a scent on it to make it smell like a real rat, but that wasn’t necessary,” says Janet Wiles at the University of Queensland in Australia, who helped with the research.
“我们原以为得给它装上能动的头和尾巴、加上面部特征，还要给它喷上气味让它闻起来像真老鼠，但事实证明没有必要，”协助这项研究的澳大利亚昆士兰大学的珍妮特·怀尔斯说。
On the one hand, it’s a necessary condition [for] many worthwhile things: child care, friendships, etc.
一方面，它是许多有价值之事{{1}}的必要条件：儿童照料、友谊等等。
Further arrangements — and there may be many — between the NHS and DeepMind will be carefully scrutinised to ensure that all necessary permissions have been asked of patients and all unnecessary data has been cleaned.
NHS与DeepMind之间今后的安排——可能会有很多——将受到仔细审查，以确保已征得患者所有必要的许可，并清除所有不必要的数据。
necessary adjustments.
必要的调整。
If it clears the House, this measure would still have to get through the Senate — where someone is bound to point out that it amounts to the bare, bare minimum necessary to keep the Postal Service afloat, not comprehensive reform.
即使这项措施在众议院获得通过，它仍须经过参议院——在那里肯定会有人指出，它只不过是维持邮政署运转所必需的最最起码的措施，而不是全面改革。
“Idleness is not just a vacation, an indulgence or a vice; it is as indispensable to the brain as vitamin D is to the body… [idleness] is, paradoxically, necessary to getting any work done,” he argues.
他认为：“闲散不只是一种休假、一种放纵或一种恶习；它对大脑来说不可或缺，就像维生素D对身体一样……矛盾的是，（闲散）是完成任何工作所必需的。”
That is a necessary and practical approach.
这是一种必要而务实的做法。
The necessary amount of companies’ spending on it is unknown.
公司在这方面的必要支出额尚不清楚。
necessary
必要的
necessary
必要的
Humanity has the necessary agro-technological tools to eradicate hunger, from genetically engineered crops to artificial fertilizers.
人类拥有消除饥饿所需的农业技术手段，从转基因作物到人工化肥。
First, it is very [expensive] to set up the computer, card reader, and telecommunications networks necessary to make electronic money the [dominant] form of payment.
首先，要让电子货币成为主导的支付形式，就必须建立计算机、读卡器和电信网络，而这些设施的建设成本非常高昂。
At the very least, it has awoken us from our national fever dream of easy riches and bigger houses, and put a necessary end to an era of reckless personal spending.
至少，它把我们从轻松致富、住更大房子的全民狂热梦想中唤醒，并为个人肆意挥霍的时代画上了必要的句号。
To be sure, he performs an impressive variety of interesting compositions, but it is not necessary for me to visit Avery Fisher Hall, or anywhere else, to hear interesting orchestral music.
诚然，他演奏的有趣作品种类之多令人印象深刻，但我并不需要去艾弗里·费希尔音乐厅或其他任何地方，才能听到有趣的管弦乐。
They argue that government action is necessary to curb Britain's addiction to unhealthy food and help halt spiraling rates of obesity, diabetes and heart disease.
他们认为，政府有必要采取行动，遏制英国人对不健康食品的嗜好，帮助阻止肥胖症、糖尿病和心脏病发病率的急剧上升。
a. 必然的1 次
For him, order does not result from forgetting or ignoring the disorders that plague our existence; order is a necessary development, an improvement that may lead to the Greek ideal of spiritual elevation.
对他来说，秩序并非来自遗忘或无视困扰我们生存的种种混乱；秩序是一种必然的发展，是一种可能通向古希腊精神升华理想的进步。