对...必不可少

It is indispensable to detecting blood drug level in order to treat disease and prevent intoxication.

为达到治病和防止中毒的目的，对其进行血药浓度监测必不可少。

We believe the steps we are taking today are necessary for Lenovo to compete in today's economy.

我们认为我们现在采取的措施对联想在当今的经济环境下参与竞争是必不可少的。

Here we demonstrate that expression of the cell-cycle inhibitor p21 is indispensable for maintaining self-renewal of leukaemia stem cells.

我们发现细胞周期抑制因子p21的表达对维持白血病干细胞自我更新是必不可少的。

But this is the litmus test for finding the genes that are essential for reprogramming, he says.

他说"但这种试验是至关重要的"，因为人们发现了基因对细胞的改编过程是必不可少的。

Second, the most common student groupings in oral lesson are lockstep, pair work and group work.

最后，课堂纪律作为一种制约教师和学生的行为规范，对保证课堂教学活动的顺利进行是必不可少的。

That there may be no possibility of misjudgment on our part in such an essential obligation, Christ has taught us what we should ask for in prayer and also in what order we should ask it.

有可能是没有可能的误判，对我们的一部分，在这样一个必不可少的义务，基督告诉我们，我们应该要求在祈祷中，也按照什么顺序我们应该问问它。

Panel furniture, sofas, furniture, software continued to maintain the previous show strong, gathered in the domestic top export-oriented enterprises and to build a multi-brand system, a well-known large enterprises, their products and unusual taste; and export exhibition consistent positioning of classical furniture scale basis in the last doubled, all-solid wood and solid wood furniture Paper on behalf of the Chinese classical furniture of the highest classical standards; around the metal Furniture Mission to become a strong presence at this show in Shenzhen One highlight of the exhibition, which makes the event in March exports towards the internationalization of the road to a more unique; the size of the first home exhibition饰品overseas buyers has fully met the needs of integrated procurement; indispensable furniture accessories furniture for the whole industry chain and downstream enterprises to build a valuable platform for cooperation.

板式家具，沙发，家具，软件继续保持原来的显示出强劲，在国内主要出口聚集型企业，并建立一个多品牌体系，著名的大型企业，其产品和不寻常的味道；和出口古典家具展览会的规模定位相一致的基础上，在过去翻了一番，全实木，对中国古典的最高标准，代表的古典家具实木家具纸，在金属家具使命，致力成为在这个强大的存在显示深圳的展览之一，这使得在迈向国际化的道路以更独特的3月出口的亮点，第一家饰品展览规模的海外买家，充分满足了综合采购需要；必不可少的家具配件家具整个产业链下游企业建立合作的宝贵机会。

In ancient times at a wedding, six etiquette were necessary for the nuptials.

古代婚姻有"六礼"，这对婚姻成立必不可少。

The generation and development of aesthetic educational thoughts is of long standing in China.

中国审美教育思想的产生与发展源远流长，探源溯流对审美教育的研究是必不可少的一项工作。

Methods The electromyogram of a dog's orbicularis oculi muscle was extracted with implanted microelectrodes.

眼睑的闭合动作是需要眼轮匝肌（orbicularis oculi muscle， OOM）的收缩来完成的，因此要实现这种治疗途径，能够实时地识别眼轮匝肌的功能作用状态是一个必不可少的步骤，本研究尝试对狗眼轮匝肌的肌电信号进行实时分析，以识别其功能作用状态。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。