没有变化的

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％。

Concentration of VEGF did not change in the absence of heparin and/or endothelial cells.

在缺少肝素和/或内皮细胞的情况下VEGF浓度没有变化。

Epigenetics is the study of heritable changes in gene expression that occur without a change in DNA sequence.

表观遗传学是研究基因表达中可遗传的改变，而在DNA序列上没有变化。

To get rid of the cap, and with the jupe in the waist of the skirt, also more open, making it easier for action, but the length skirt still has not changed.

去掉了帽饰，上衣也被束在了裙腰里，裙摆也开放些，使得行动更容易，不过裙子的长度依旧没有变化。

In this sentence,"stay" serves as a link verb, meaning continue to be in a particular state without changing.

stay作连系动词，表示没有变化地持续相当长的一段时间。

And no real change to the monetary system .

并没有真正变化的货币制度。

The point at which a nuclear reaction is self-sustaining.a chemical reaction and its reverse proceed at equal rates.

某种物质的存在导致化学反应速度加快，而该物质本身在化学反应前后没有变化。

But the peak value gap does not change.

但峰值间的间隔没有变化。

The ratio of linear to branched of the aldehyde is not significant influenced by the phosphine concentration.

循环实验中证明该催化体系有较好的稳定性，其催化活性和选择性基本没有变化。

In the case of physical change,no new substance is formed.

就变化来说，没有新的物质产生。

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％。