不是必要的

But this process is not an arbitrary one, bound to be limited by both historical facts and conditions.

然而本文也认为集体认同的建构不是任意的，它的形成需要一些必要的原材料和一定的历史条件。

Patients with FOP do not have high levels of calcium, so it is fine to eat a diet with adequate calcium and vitamin D intake to preserve the health of the normal skeleton.

FOP患者不是因为钙的含量很高，因此吃足够的钙和维生素D的食物，以保持正常的骨骼健康是必要的。

Perhaps as a result of this problematic economy, some unscrupulous players have taken to fashioning money scams, and in the most extreme cases, players have taken to farming and selling adena online for real-life cash--an activity that is against the game's end-user license agreement.

同样的几只怪物好几小时来赚金钱是必要的行为。在这种畸形的经济体制下，有些不正直的玩家就会动起歪脑筋想赚轻松钱，而在最极端的情形下，会有玩家专门打钱

The precipitated resettlement and housing of multi-racial Singaporeans into urban new towns, though necessary, has had an impact on family and neighbourly ties, minority interests and the psychological well-being of residents. This has also heightened the need for better communications between the people and the government.

虽然将多元种族的新加坡人重新安顿到新市镇是必要的工作，但这项工作不论对家庭及邻居网络、少数民族的利益，以及居民的心理健康都有影响，同时亦突显了人民与政府之间有良好沟通的需要。

Of course, it would be as dangerous to overreact to history by concluding that the majority must now be wrong about expansion as it would be to re-enact the response that greeted the suggestion that the continents had drifted.

将来对于这些关键问题的研究毫无疑问是必要的，然而不应该否定最近研究结论的说服力，在18世纪的英格兰对于一些微不足道和有使用价值的商品和服务的需求，预示了我们的世界。

Whil61. Of course,it would be as dangerous to overreact to history by concluding that the majority must now be wrong about expansion as it would be to re-enact the response that greeted the suggestion that the continents had drifted.

将来对于这些关键问题的研究毫无疑问是必要的，然而不应该否定最近研究结论的说服力，在18世纪的英格兰对于一些微不足道和有使用价值的商品和服务的需求，预示了我们今天的世界。

Life is a chain of moments of enjoyment;not only about survival;Use your crystal goblets.

而且各个国家之间的误解一直都有，我们也不能说我们就没有误解西方国家的时候，适当的解释是必要的，但是最后还是求同存异。

Therefore we shall not put off sending the special legates, as we decided in the last session, whenever this is necessary and profitable for the setting up of a stable and lasting peace among them, and as we previously proposed.

因此，我们不应推迟派遣特别legates ，当我们决定在最后一次会议，每当这是必要的和有利可图的，成立一个稳定和持久的和平，其中和我们以前的提议。

Since reformatting a drive does not completely erase data, protection from readily available programs that recover data is a necessity.

自重新格式化驱动器不完全擦除的数据，保护从现成的程序，恢复数据是必要的。

Moreover, since subjection to the Roman pontiff is necessary for salvation for all Christ's faithful, as we are taught by the testimony of both sacred scripture and the holy fathers, and as is declared by the constitution of pope Boniface VIII of happy memory, also our predecessor, which begins Unam sanctam, we therefore, with the approval of the present sacred council, for the salvation of the souls of the same faithful, for the supreme authority of the Roman pontiff and of this holy see, and for the unity and power of the church, his spouse, renew and give our approval to that constitution, but without prejudice to the declaration of pope Clement V of holy memory, which begins Meruit .

此外，由於受罗马教皇是必要的救赎所有基督信徒，因为我们所教的证词都圣经和罗马的父亲，并宣布宪法所教宗波尼法爵八世的快乐记忆，也是我们的前任开始的墨西哥国立自治大学圣，因此，我们批准，本神圣理事会，拯救灵魂的同一忠实，最高权威的罗马教皇和罗马教廷的，并为团结和力量教会，其配偶，更新，使我们的批准，该宪法，但不妨碍宣布教皇克莱门特第五神圣记忆，开始金额。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。