不存在

It is found in all photosynthetic cells of plants and protoctists but not in photosynthetic prokaryotes.

存在于所有的植物和原生生物的光合细胞中，但在能进行光能合成的原核生物中却不存在。

The moment we turn on the electric lamp in a pitch-black room , darkness is gone .

存在黑暗是因为缺少光明，在一个漆黑的屋子，当我们打开电灯的一瞬间，黑暗就不存在了。

In a few markets where Renault was not present, the sedan was offered as the Nissan Platina (manufactured and sold in Mexico at a Renault-Nissan factory and sold throughout Central America), with two exceptions being Chile and the Dominican Republic, where both the Nissan and Renault models are present.

在少数市场，雷诺不存在，轿车被日产普拉提纳提供（生产和销售在墨西哥有两个例外在雷诺日产的工厂和整个中美洲出售），而智利和多米尼加共和国，因为这是在日产和雷诺模型都存在。

Modern : No science in such matters is possible, only opinion; everybody is entitled to his opinions; we have a pluralist society.

在这个问题上不存在什么知识的可能性，只存在意见，任何人都有权表达他的意见；我们拥有一个多元化的社会。

There were differences among the incidence rates of high jugular bulb between two sides and different genders, but there were no significant difference among the pneumatolysis degrees in processus mastoideus and petrous apex. We can conclude that there was no correlation between temporal bone pneumatization and high jugular bulb.

颈静脉球高位的发生率在两侧及性别间存在差异，而在不同乳突及岩尖的气化程度间不存在差异，可以推论颞骨气化与颈静脉球高位没有相关性。

All studies of this paper base on the classical theory of portfolio selection and capital asset pricing.

鉴于此，本文目的是在经典的资产组合选择与资本资产定价框架下，结合现实市场中对资产持有加以限制的条件，重点对存在持有限制的市场和不存在持有限制的市场进行比较研究。

Another and pre-existent Holy City is reserved by God, since the world cannot exist without a Jerusalem.

另一位前存在圣城保留上帝，因为世界上不存在没有耶路撒冷。

This method is pure software,and the code synchronization,demodulation,frame synchronization and data processing are implemented by the MCU program on one chip.

其优点是存在很强的定时分量，容易提取定时信息；同时不存在直流分量，对于大多数采用交流耦合的有线信道来说是很有利的。

Leaf area index and canopy openness,of an urban forest stand in Maofengshan,Guangzhou,were estimated using hemispherical photography in parallel with quadrat plant census.

LAI在整个林分中的分布基本呈均匀状态，从西到东及从南到北各样带间不存在显著的差异；而从南到北各样带的林冠孔隙度存在极显著的差异P=0。

Name can refer not only to object in the real world but also to the concept in mind.

它们不存在于现实世界之中，但存在于小说世界和人们的观念世界之中。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。