至今

"Panicle sprouting" is one of the major problems in hybrid rice development, there is no an effective technique to solve the problem so far.

"穗芽"是我国发展杂交稻的技术难点之一，至今尚无有效控制措施。

They still marvel at their soft yet tough, coarse but lustrous mulberry bark paper.

对于韩纸硬中带软，质地粗糙却不失光泽的这些特性，他们至今仍惊叹不已。

I still have that paperback book, now almost thirty years old.

我至今还保留着那本平装书，已经有三十多年了。

Finally he opened his parachute. His jump remains the longest free fall in history.

最后他终于打开了他的降落伞，他这一跳至今仍保持着史上最长的自由降落。

For instance, the 2nd acting product of Yamaxun, reside 2800 yuan or so high still up to now, suo Ni commodities from abnormal channel is newest the paragraph marks a price about 2200 yuan.

比如，亚马逊的第二代产品，至今还高居2800元左右，索尼水货最新款标价大约2200元。

The outcome of the test of the sample's major metal components shows, the material type of 90 per cent of the sample carriers of China's remaining wire-recorded sound archive of traditional and folk music is 18/8 type Chromium-Nickel stainless steel, whose chemical properties have remained intact till today. The parametric test of the sample's major physical property of being magnetic shows, the carriers'physical property of being magnetic has stayed in complete conformity to the conditions of ferromagnetic materials serving as the material for audio signal recording and storage.

样本主要金属成份含量测试结果显示：本课题重点考察的我国钢丝录音遗存音乐音响档案载体品种中90%的材质类型为18/8铬镍不锈钢，它们的化学特性至今仍然保持完整；样本主要物理磁特性参量测试结果显示：这批音响档案载体的物理磁特性完全符合铁磁性材料作为音频信息记录及保存介质材料的基本条件。

It was more than three years since Lewis Nixon and I......decided to join the paratroops.

我和路易士·尼克森决定加入伞兵部队至今已经三年多

From the pursuing of the"democratic island"in central Asian to the occuring of"Tulip Revolution",and from the believing inwestern democracy to centralized regime.from the blindfold imitation of exoticcivilization to relapsation into the circle of"democratic-authoritical"as the useless ofmany kinds of systems,and from too much modification in law to the uncertainingabout"presidentialism"and"parliamentarism"to cause a weak regime and so on.

由中亚"民主岛"的狂热追求到"郁金香革命"的骤然发生，由奉西方自由民主制度为圭臬到集权政体的回归，由对外来文明的盲从模仿到因制度"叠合"的无效性而陷入"民主——专制"的怪圈，由多次修宪到至今尚未厘清"总统制"与"议会制"而塑造了一个模糊不清的脆弱的政权体系，凡此等等，像吉尔吉斯斯坦这样政治转型所表现出的大起大落、摇摆不定等现象在后苏联转型国家中并不多见。

Because the molecular mechanism of parturition is still unknown, there is no perfect method to detect, prevent and therapy preterm delivery.

由于分娩的确切机制在分子生物学水平上还不十分明了，临床上至今对孕妇早产没有理想的的检测、预防和治疗方法。

I still don't even know, to this day, what parvo is.

我至今不知道那到底算是什么疫苗

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。