Repairs are necessary to strengthen the bridge.
这座桥需要加固。
To improve the quality of life through work, two complementary strategies are necessary.
要通过工作提高生活质量，两个互补的策略很必要。
交换是必要的。
有两个步骤是必要的。
Two or three friends, a small tent, sleeping bags, food and drink are necessary.
两三个朋友、一个小帐篷、睡袋，还有食物和饮料都是必要的。
Both physical fitness and mental attitude are necessary factors to be a successful sportsman.
身体素质和心态都是成为一名成功运动员的必要因素。
Responsibility and reliability are necessary qualifications, as well as a friendly and outgoing personality.
责任感和可靠性是必需的素质，友善和外向的性格也必不可少。
Vegetables are necessary in our daily life.
蔬菜是我们日常生活中的必需品。
How many steps are necessary for making mashed potatoes?
做土豆泥需要哪些步骤？
Lanterns are necessary decorations during important festivals such as the Chinese New Year.
灯笼是中国新年等重要节日中必不可少的装饰。
Warm clothes and a blanket are necessary for our survival in the Sahara.
暖和的衣服和毯子是我们在撒哈拉生存所必需的。
Many of the chemicals in food are necessary parts of a healthy diet.
食物中的许多化学物质是健康饮食的必要组成部分。
Not all disasters are caused by engineering design. Improvements on engineering works are necessary.
并不是所有的灾难都是由工程设计引起的，改进工程建设本身很有必要。
Zhu believed that there's no shortcut to success, and sometimes dull efforts are necessary.
朱认为，成功没有捷径，有时枯燥的努力是必要的。
They begin to think about whether plastic straws are necessary or not when drinking drinks.
他们开始考虑喝饮料时是否有必要使用塑料吸管。
In order to know a foreign language thoroughly, four things are necessary.
为了完全掌握一门外语，有四点至关重要。
Thus some very dangerous drugs are approved because they are necessary to treat serious illnesses.
因此一些非常危险的药物被批准，因为它们是治疗严重疾病所必需的。
The dancers in these ceremonies wear masks, headdresses, and costumes that they believe are necessary to influence gods.
参加这些仪式的舞者戴着面具、头饰和服饰，他们认为这些是影响神的必要条件。
Furthermore, they say, it is the best way for researchers to gather the range of observations that are necessary to speed up discoveries or to identify large-scale trends.
此外，他们说，这是研究人员收集各种观测资料的最佳方式，而这些资料是加快发现或确定大规模趋势所必需的。
The alloted money could be used for travel expenses, to attend a conference for example, or things like supplies, research equipment, resources that are necessary to conduct the research.
分配的资金可以用作差旅费，例如参加会议的差旅费，或用以购买物资、研究设备、进行研究所需的资源等。
Arcing horns and lightning arresters are necessary because lightning strikes to the mast are common.
灭弧角和避雷器是必需的，因为雷击桅杆是很常见的。
These reference books are necessary to us.
这些参考书是我们所必需的。
Alternative input devices are necessary for Mobility-impaired individuals.
对于行动不便的群体来说，替代性的输入设备是必需的。
But they are necessary, right?
不过这是必须的不是吗？
These are necessary adjustments.
这些都是必要的调整。
No other changes are necessary.
这不需要其他任何更改。
No manual configuration changes are necessary.
不需要手动修改配置。
Both are necessary and should complement each other.
两者都是必需的，它们之间应该是相互补充的关系。
Two additional configuration steps are necessary.
其他两个配置步骤也是必要的。
Two additional configuration steps are necessary.
其他两个配置步骤也是必要的。
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