The phrase "addition to a weakening" is not correct in standard written English.
It seems to be an incomplete expression and lacks clarity in meaning.
Example: "In addition to a weakening of the economy, we are also facing rising unemployment rates."
Alternatives: "in addition to a decline" or "along with a deterioration".
In addition to my weakening physical strength, the mental endurance I had forged as a runner took a big hit.
In addition to physical weakening, force-related changes in gene expression have also been observed [18].
In addition to weakening demand retailers are juggling rising production costs in China and raw material price increases, such as the recent spike in the cotton price.
"Unfortunately, most of the proposed changes to the charter law, in addition to weakening the state's application for federal money, would take us in the wrong direction," David Cantor, a spokesman for Mr. Klein, said in a statement Friday.
In addition to weakening the hand of our government, court ordered release cannot help but encourage dilatory and obstructive tactics by aliens who, emboldened by the court's new rule, have good reason not to cooperate by making their own repatriation or transfer seem foreseeable.
This might indicate the possible role of poleward meridional wind in reducing the number of scintillation occurences during this season in addition to weakening of PRE height.
He also noted that in addition to weakening PC demand in the U.S. and Western Europe, sales are slackening off at Asia's two largest notebook PC makers, Quanta and Compal.
In addition to her increasingly weakened position in the Brexit discussions, which has probably knocked the wind out of the Tory backbenchers who refer to her as "mummy", I imagine this dip in popularity can be largely attributed to how much she has been publicly dancing.
In addition to introducing a noise floor in power spectra, this alteration weakens and disperses the most prominent synchronized peaks along the chain (Figure 5B).
