查询词典 not necessary

The results of research show that although the traditional tensile strength analysis, that is often used for the deterioration detection of textiles is good for the silk fabrics too, it is not suitable for the ancient silk fabrics because of the large amount of sample necessary for test.

研究结果表明，虽然传统的用于纺织品检验的抗拉强度分析同样是检测丝织品老化程度的好方法，但是主要因为样品量限制而不适用于古代丝织品。

While British programs were very willing to let me pursue interdisciplinary work, they could not provide the coursework necessary to lay a strong foundation in linguistic theory.

因此我理想的学校必须要能够补足这项。

Leake says: I suppose that if you're making erotic or glamour photos then sexual tension is probably a good idea, but it's not in the slightest bit necessary for the kind of work I do - in fact, I believe it would be a big hindrance.

Leake 说：如果要是拍摄情色的或有诱惑性的照片，两性的吸引可能是个好主意，但这跟我做的工作一点关系也没有，实际上，我认为这是一个很大的障碍。

The confidentiality of the existing rules and regulations to conduct a comprehensive clean-up, failed to meet the job requirements of confidentiality under the new situation, the timely amendment, supplement; right not included in the management of classified computers within the LAN, it is necessary to develop practical management systems into effective Monitoring scope; the establishment of classified removable storage media, a registration system for the device model, hardware number, custodian, enable time registered in the books, and report to the offices of record; the establishment of classified computers, classified removable storage media to go out the registration ledger system; non-classified computer connected to the Internet is strictly prohibited non-classified computer and between computers with classified national security department without the approval of the removable storage media to transfer data directly; classified obsolete computers and removable storage media must be submitted to Council Committee for the record confidentiality, rosters later physical methods for destruction.

对现有的保密规章制度进行一次全面清理，对不适应新形势下保密工作要求的，及时进行修订、补充；对未纳入局域网内管理的涉密计算机，要制定切实可行的管理制度，纳入有效监控范围；建立涉密移动存储介质登记制度，将设备型号、硬件编号、保管人、启用时间等登记在册，并报局办公室备案；建立涉密计算机、涉密移动存储介质外出登记台账制度；严禁涉密计算机接入互联网，严禁非涉密计算机与涉密计算机之间用未经国家保密部门认可的移动存储介质直接传输数据；涉密计算机及移动存储介质报废，须报局保密委备案，登记造册后用物理方法进行销毁。

Because OpenGL does not require this vector to be unit length it is necessary first to normalize it.

因为OpenGL不需要这个向量是单位长度，并在一开始归一化它。

And the person of that times wears a simple leotard only, work in him home for everybody, not was necessary to do oneself colourfully person eyeball.

而且那个时代的人只穿一件简单的紧身衣，为大家都在自己家里工作，没有必要把自己弄得五彩缤纷人眼球。

The establishment of an environmental liability insurance is not only necessary but also must be feasible.

设立环境责任保险既是必要的，而且还必须是可行的。

We do not believe that the laser we would sell you would possess all of the characteristics necessary to classify it as a licensable product.

我们并不认为我们将要出售给您的激光器将是根据所有必需的特点分类的，把它作为发放许可证的产品。

Technology is a necessary but not always a positive force in modern life.

技术对于现代生活是不可或缺的，但并非总是一种积极的作用。

Technology is a necessary but not always a positive force in modern life .

技术对于现代生活是不可或缺的，但不总是 14。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失