不可缺少的

This easy-to-follow manual to mastering the art of flirting offers indispensable advice on working the dating scene and reinvigorating your love life.

这容易后续手册，掌握工作的调情约会的场景和振兴你的爱情生活提供了不可缺少的建议的艺术。

With early proper positioning, exercise and splinting techniques maintained throughout the rehabiltation process to eliminate the burn complications and optimize performance of the body parts, burn patients will be able to function as social individuals as before.

近年来，不论国内或国外的临床经验显示，副木的正确使用已被肯定为成功的灼伤治疗计划中不可缺少的一部份。

For about 50 years, until the end of last century, teachers and students of English in China regarded Queen's English as the sole standard, and the IPA was a compulsory course in schools and an independent item for the annual national university entrance English examinations.

直到上世纪末，大约五十年以来，中国的英语老师和学生都把以国际音标为依据的英语普通话视为英语的唯一标准。国际音标是学校的必修课，也曾是高考英语试卷中不可缺少的内容。

For about 50 years, until the end of last century, teachers and students of English in China had been regarding the Queen's English as the sole standard, and the IPA had been a compulsory course in schools and an independent item for the annual national university entrance English examinations.

直到上世纪末，大约五十年以来，中国的英语老师和学生都把以国际音标为依据的英语普通话视为英语的唯一标准。国际音标是学校的必修课，也曾是高考英语试卷中不可缺少的内容。

The copolymers of 2-acrylamio-2-methyl propane sulfonic acid and other water soluble monomers are indispensable chemicals in various papermaking plants,which can be used as water-displacing assistant agent,sizing agent and pigment dispersant of color coating and to enhance the strength of paper.

造纸2-丙烯酰胺基-2-甲基丙磺酸和其他水溶性单体的共聚物，是各类造纸厂不可缺少的化学品，它可作为排水助剂、施胶剂，增加纸的强度，还可作为彩色涂层的颜料分散剂。

This product not only contains the various nutrients in the carrot such as vitamins,β-carotene (converting to vitamin A in vivo), protein, active enzymes, minerals (potassium, sodium, calcium, magnesium, iron and zinc) but also is replenished with concentrated carrot essence and red tomato (containing abundant vitamin A, B, C, potassium, sodium and magnesium), which makes it more nutritious and easier to be absorbed by the body. It is the indispensable natural healthy food for the modern.

胡萝卜素不仅保留了胡萝卜所含有的多种维生素、β-胡萝卜素（在体内可转化为维生素A）、蛋白质、活性酶和矿物质（钾、钠、钙、镁、铁、锌）等营养成分，而且因添加了适量的胡萝卜浓缩素、红番茄（含丰富的维生素A、B、C及矿物质磷、钾、钠、镁等营养成分），使其营养成分更加丰富并且更容易被人体均衡吸收，是现代人不可缺少的健康食品。

Weight control system is the important composition part of modem cigarette machine control system, its technology is one of indispensable crucial technologies of smoke weight control technology, its control effect directly affects the amount of the quality of product, the precision of product and consumption.

重量控制系统是现代卷烟机控制系统的重要组成部分，其技术是烟支重量控制技术不可缺少的关键技术之一，其控制效果直接影响到产品的质量、产品的精度和消耗的多少。

The digital oscilloscope is a very important instrument in the test and measurement. With the development of digital technique, the function of the DSO is improved; it replaces the analog oscilloscope gradually.

示波器是电子测量中不可缺少的基本测量工具，随着数字技术的不断发展，数字示存储示波器的功能进一步加强了，逐渐取代了传统的模拟示波器。

The technical economy analysis is an indispensable and important work part in the large-scale heat supply engineering projects and for any one large and huge...

技术经济分析是大规模供热工程中不可缺少的一个重要工作部分，任何一项大的工程都应有充分的技术和经济两方面的科学依据。

The system of managing student file is an integral part of education unit, its content for the school s policymakers, and managers are vital, so the system of managing student should be able to provide enough information and quick searching method.

详细说明：学籍管理系统是一个教育单位不可缺少的部分，它的内容对于学校的决策者和管理者来说都至关重要，所以学籍管理系统应该能够为用户提供充足的信息和快捷的查询手段。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。