no se conoce

El rendimiento de esta primera disco volador no se conoce.
The performance of this first flying disk is not known.
La abiogénesis no se conoce en ninguna forma de su manifestación.
Abiogenesis is not known in any form of its manifestation.
En España la figura del clown no se conoce bien.
In Spain the figure of the clown not known well.
La causa específica de vómitos durante el embarazo no se conoce.
The specific cause of vomiting during pregnancy is not known.
En muchos casos, la causa de la leucemia no se conoce.
In many cases, the cause of leukemia is not known.
La formación de acrilamida con cocción al vapor no se conoce.
The formation of acrylamide with steam cooking is not known.
La causa exacta del sarcoma de Ewing no se conoce.
The exact cause of Ewing sarcoma is not known.
Sin embargo, el momento de esta iniciativa aún no se conoce.
However, the timing of this initiative is not yet known.
La fecha de fundación del monasterio no se conoce.
The date of foundation of the monastery is not known.
Cuando no se conoce la causa, esto se llama trombocitemia.
When the cause is not known, this is called thrombocythemia.
El mecanismo de acción exacto de gabapentina no se conoce.
The precise mechanism of action of gabapentin is not known.
Sin embargo, no se conoce claramente el estado de estos casos.
However, the status of these cases is not clearly known.
Sin embargo, no se conoce el mecanismo de esta relación.
However, the mechanisms of this relationship are not known.
La vida media del cianuro en el agua no se conoce.
The half-life of cyanide in water is not known.
La causa de las náuseas durante el embarazo no se conoce completamente.
The cause of nausea during pregnancy is not completely understood.
La causa principal de El Niño no se conoce con certeza.
The root cause of El Niño is not known with certainty.
Actualmente no se conoce algún modo de revertir este proceso.
There is no currently known way to reverse this process.
Además, no se conoce el nombre de su autor.
Also, the name of its author is not known.
Si el hombre es representado Landmesser no se conoce con certeza.
Whether the depicted man is Landmesser is not known with certainty.
Acerca de tales casos en este momento, la medicina no se conoce.
About such cases at the moment, medicine is not known.
Palabra del día
el acertijo